Dear Annie: Can you please offer me some advice about my sister? I am in my 60s and have dealt with her and her drama for more than 50 years. I am about ready to stop for good. She is an alcoholic, a daily pot smoker and a threepack- a-day cigarette smoker. It has been a roller coaster with her and her anger. I am far from perfect, but I do not smoke or drink. One of my brothers recently passed…