If you’re searching this question, you’ve probably already noticed something that worries you. Maybe it’s how much your partner drinks, how they act when they drink, or what happens when they try to stop. The clinical term today is alcohol use disorder (AUD), and it exists on a spectrum from mild to severe. You don’t need to diagnose your partner yourself, but understanding what separates problem drinking from a diagnosable condition can help you see the situation more clearly and figure out what to do next.
How Much Drinking Is Too Much
Before looking at behavior patterns, it helps to know where the medical thresholds sit. One standard drink in the United States contains 0.6 ounces of pure alcohol. That’s 12 ounces of regular beer, 5 ounces of wine, or 1.5 ounces of liquor.
The National Institute on Alcohol Abuse and Alcoholism defines binge drinking as reaching a blood alcohol level of 0.08% in a single session, which typically means five or more drinks for men or four or more for women in about two hours. Heavy drinking is five or more drinks on any single day or 15 or more per week for men, and four or more on any day or eight or more per week for women. Not everyone who drinks heavily has AUD, but heavy drinking is the strongest risk factor for developing it.
Keep in mind that many people undercount their drinks. A large wine glass easily holds two standard servings. A strong cocktail can contain two or three shots. If your partner pours generously, the actual number of drinks per night may be much higher than it looks.
Behavioral Signs That Point to a Problem
Alcohol use disorder is diagnosed when someone meets at least 2 of 11 specific criteria within the same 12-month period. Two to three criteria is considered mild, four to five is moderate, and six or more is severe. You can’t formally diagnose your partner, but you can observe many of these patterns from the outside.
Ask yourself whether your partner regularly drinks more, or for longer, than they originally planned. Maybe they say they’ll have one glass and finish the bottle, or a quick happy hour turns into a late night. Another common sign is repeated attempts to cut back or quit that don’t stick. If your partner has told you (or themselves) they’ll stop and then doesn’t follow through, that pattern alone counts as one criterion.
Other signs you might recognize:
- Time spent on drinking. A growing amount of their day goes toward drinking, buying alcohol, or recovering from it (hangovers, sleeping it off).
- Cravings. A strong urge or preoccupation with the next drink, sometimes visible as restlessness or irritability when alcohol isn’t available.
- Dropping responsibilities. Missing work, forgetting commitments, neglecting household tasks, or pulling back from parenting because of drinking.
- Continued use despite consequences. They keep drinking even after it causes a fight, a health scare, a DUI, or obvious damage to your relationship.
- Shrinking world. Hobbies, friendships, and activities they used to enjoy get replaced by drinking or avoided because they interfere with it.
- Risky situations. Driving after drinking, mixing alcohol with medications, or drinking in other physically dangerous contexts.
- Tolerance. Needing noticeably more alcohol to get the same effect, or seeming barely affected by amounts that would impair most people.
- Withdrawal symptoms. Sweating, shakiness, nausea, anxiety, trouble sleeping, or a racing heart when they haven’t had a drink. Some people drink specifically to make these feelings go away.
You don’t need to check every box. Two of these patterns occurring within the same year meets the threshold for a mild disorder. If you’re counting five or six, the problem is likely moderate to severe.
When Someone “Seems Fine” but Drinks Too Much
One reason this question is so hard is that many people with AUD hold down jobs, pay bills, and appear functional to the outside world. They may never miss a day of work or get visibly drunk in public. Because they don’t match the stereotype of someone who has lost everything, it’s easy for both of you to minimize the problem.
What you’re more likely to notice as a partner are the quieter signs: personality shifts after a few drinks, emotional unavailability in the evenings, a defensiveness that flares whenever alcohol comes up, or a pattern of promising to change and then not changing. You might also notice that social plans increasingly revolve around situations where drinking is available, or that your partner gets irritable or anxious at events where it isn’t.
Tolerance is especially easy to miss in a long-term relationship because it builds gradually. If your partner used to get noticeably relaxed after two drinks and now seems the same after five, that’s a significant change in how their body processes alcohol, even if they never appear “drunk.”
Withdrawal: What to Watch For
If your partner has been drinking heavily for a prolonged period and suddenly stops or significantly cuts back, withdrawal symptoms can appear within hours. Mild symptoms include sweating, hand tremors, nausea, anxiety, and difficulty sleeping. These typically peak in the first day or two.
A severe form of withdrawal called delirium tremens can develop 48 to 96 hours after the last drink, and sometimes as late as 7 to 10 days afterward. It involves confusion, hallucinations, a dangerously fast heart rate, and seizures. Delirium tremens is a medical emergency. Seizures related to withdrawal are most common in the first 12 to 48 hours and more likely in people who’ve gone through withdrawal before. If your partner shows any of these symptoms after stopping drinking, call 911. Quitting alcohol cold turkey after heavy, prolonged use is genuinely dangerous, and medical supervision makes it far safer.
Enabling vs. Supporting
Living with someone who drinks too much often pulls you into patterns that feel like helping but actually make it easier for them to keep drinking. Covering for them when they miss obligations, making excuses to family or friends, cleaning up the aftermath of a bad night, or absorbing financial consequences they created are all forms of enabling. These actions reduce the discomfort your partner would otherwise feel, which removes some of the natural motivation to change.
Supporting someone, by contrast, means allowing them to experience the consequences of their drinking while still treating them with respect. It also means protecting yourself. Boundaries are the practical tool for doing this. An emotional boundary might look like leaving the room when a conversation becomes hostile or refusing to engage when your partner is intoxicated. A financial boundary might mean separating bank accounts or refusing to cover expenses caused by drinking. A physical boundary might mean sleeping in a separate room or, in situations involving aggression, leaving the house entirely.
These boundaries aren’t punishments. They’re decisions about what you will and won’t participate in. Stating them calmly and following through consistently is what gives them power.
How to Encourage Treatment Without an Ultimatum
The traditional image of an intervention, where family and friends gather to confront someone, has a surprisingly poor track record. A method called Community Reinforcement and Family Training (CRAFT) has consistently outperformed it. In the original study comparing the two approaches, none of the drinkers whose families received a traditional 12-step referral entered treatment, while 86% of those whose family members learned CRAFT did. Later trials confirmed these results across both alcohol and drug use.
CRAFT works over roughly 12 sessions with a trained therapist, and it focuses on you, not your partner. You learn to identify what triggers your partner’s drinking and what rewards maintain it. Then you practice reinforcing sober behavior (spending time together, being warm and engaged) and stepping back when drinking occurs (not arguing, not cushioning the fallout). You also learn to recognize the right moments to suggest treatment and have a plan ready so your partner can enter a program quickly if they agree.
A core principle of CRAFT is that you can influence your partner’s behavior without controlling it, and that your own wellbeing matters regardless of whether your partner decides to get help.
Support Systems for You
Living with a partner who has AUD takes a real toll on your mental health, sleep, finances, and sense of self. Getting support for yourself isn’t selfish; it’s one of the most effective things you can do for the situation overall.
Al-Anon is the most widely available option. It’s a 12-step program specifically for people affected by someone else’s drinking, with free meetings (in person and online) in most communities. If a spiritual framework doesn’t appeal to you, SMART Recovery Family & Friends takes a science-based approach, focusing on building motivation, managing difficult emotions, and developing coping strategies. Both are free.
Individual therapy, particularly with someone experienced in addiction and family dynamics, can also help you sort through complicated feelings of love, guilt, anger, and exhaustion that are almost universal in this situation. A therapist trained in CRAFT can serve double duty, supporting you personally while also giving you tools to influence the dynamic at home.