@ Jacy

Don't support a habit you don't agree with otherwise you are just raising a monester.Get to the root of the problem.What brought about the drinking?Has he been aggressive all along?When some men retire they are known to engage themselves in drinking with the pensions they get especially if he didn't plan himself well for old age.They feel they have lost contrrol now that they can't provide for the family. Get someone to talk to him with whom he can open up to and explain his worries and then you can keep him busy with a project that will generate income.This will make him happy as he doesn't have to go begging from his children for pocket money. No matter what happens please maintain respect for your parents.