DEAR ABBY: I am a recovering drug addict. I have slipped, as many do, but I have been clean for four years now. The problem is my family. If I look tired, trip over my own two feet (I’m clumsy) or just don’t want to be around people, I get questioned, yelled at, accused, etc. Abby, they do random drug screens at my job. I have passed every one, and I have made amends for my past wrongdoings. But the last time I was accused, after trying to express my feelings calmly, I exploded and vented my frustration. Now my family ...