Pretending/denial is what makes us sick Al-Anon people more sick. I had done this many times in the past, but have now realized I wasn't doing him a favor nor myself. They have to learn to deal with their consequences (sp). Drunk or sober.
You should hold your head high, if he CHOOSES to drink it's not your decission to make for him.
God know's it's taken me 4 years to learn this.
Take care of yourself.