I'm sorry "BrotherIsLoser" but him as your own brother, regardless of his problems, he is "not a loser." There is hate and anger bleeding out of your post that goes beyond "tough love.." you need to take a positive look at the situation.
Originally Posted by
tyler 
There are studies suggesting that excessive pot smoking can cause delusional thinking, depression, anxiety and bipolar. This has been my personal experience as well. I think I had some depression issues before I started smoking, but they definately got worse with 20+ years of pot smoking.
Second that.. depression and pot went hand in hand in my short tour through the green fields.