My father in law suffers from alcoholism. It causes him a lot of physical and mental problems. 
Oh that really stinks. I hear that it can be hereditary too. some families go to therapy for it. 
He needs to go. His dependence on alcohol is really starting to affect him.
oh man that is sad, maybe you can just prevent him from going to the alcohol store, or something else? what have you tried so far? 
No, his alcoholism is so bad that not drinking would cause major withdrawal effects.
Oh wow so hes that bad off, perhaps you can try moderating his alcohol intake? Like take his beet and tell him to only do a certain amount a day. Its best to ease off of it. 
I wish he would. He gets into so many risky situations because of it.
that is very unfortunate, Well I hope he gets the help he needs, is there anything I can do to help?