I struggle with this quite a bit. It's really not so black and white, but the bottom line is that you are right. Still, as humans, we can't help but feel compassion and want for things to be different for someone. And when it becomes about someone obviously hurting themselves and even getting into risky behavior, it's harder to sit back and say, "I'm out of it. It's your life. Do as you will." It's natural to want to be of some support. I'm still having trouble deciding what is enabling and what is simply just caring about someone and being a support emotionally. It's a tough line to determine.