I went to college to be a teacher, and I, too, wondered whether my self destructive behaviors would keep me from doing my job well. What I found is that yes, it takes me extra effort to relate to "normal" children at times, but the kids that really need help--the ones everyone else tries to kick out--I got along with just fine. And I am very proud of that. I now have gotten into a line of work where I work almost entirely with the kids who really need help, and it is great. Keep your goals--they're what helped me make it through.