How do you cope?

I am the mother of three boys, ages 16, 17 and 20. I am [bitterly] divorced from their father. All three reside with him. All three have some sort of addiction issue. It is very hard to deal with this. I keep thinking that, statistically speaking, one of them should have grown up with his eyes open and stayed away from the drug/alcohol scene. All three are bright, in varying degrees and varying areas. Their father, who is an adolescent psychiatric nurse, drinks and gets high with them, so no help there.

It is very difficult to know what the best way to handle the holidays is. In all honesty, I would love to ignore Christmas this year.

So, my question to the universe is how do other people with major dysfunctional family issues cope?

Merry Freaking Christmas