As a counter to your anecdote, I managed to conquer most of my vices during lockdown. I cut my drinking to a couple of beers a week, stopped doing recreational drugs, checked out of a bunch of toxic interpersonal relationships, and sorted my finances out.

I'm not sure what your situation is, but I'd highly recommend going to therapy or finding some other form of support. Signing up for therapy during lockdown was possibly the best decision I've ever made. It was something that I should have done years ago, and finally managed to do it last year, but having that extra support during lockdown was a huge help too.

I don't want to go into more detail publicly, but I can send you an email with some links/resources/advice if you want?