How do you know?

[orthodoc]

I do, as well. If someone is worried, take that as an indication that it's important to go. When we drink, our inhibitions are lessened and things come out that we usually keep suppressed. Even though those issues aren't front and center all day, they're still there. So if you get sad when drinking, it's worth exploring what that sadness is about. And - a suggestion, if I may - consider not drinking at all until you work on the issues that show up when your inhibitions are down. You don't want to be overwhelmed with difficult issues when you've lost your usual inhibitory balance.