I would say that drinking isn't a bad habit but getting addicted to it makes you mad. To be frank drinking with some people would nourish the bond between you and him.
Things one had to do to get out of addiction.
1)Start drinking another drink as to take an eye from alcohol. It may be an orange juice or something.

1. Visit a rehabilitation center.
2. Make yourself busy by doing some work.
3. Understand the responsibilities *Mainly if you are a family guy
   5)Take a savings bank account and deposit the money equal to that of alcohol whenever you feel of drinking. It helps you in future.
4. Devote you mind to god