The thing you can't let go of is gravity. The reality of gravity in writing. If someone says something really mean in a sitcom, and the next wave isn't a reaction to the reality of that, you start losing relatability. In a lot of romantic comedies, they throw out the rules of life.
There's a lot of personal stuff that can go into songwriting but there's also a lot of dramatization and fictionalization. You have to do that to make a good song.
The point of drinking in moderation is that sometimes you don't drink in moderation.