Three desperately ill men go to their docter

Three desperately ill men go to their docter seeking help.
One is and alcoholic, One is a chain smoker and the other is gay.
The doctor tells the men if you indulge in any of your habits again you will die.
So the three men leave and then the alcoholic sees a bar and hears its loud music and can’t resist.
He orders a shot of whisky drinks it and suddenly drops down dead the other two men walk out side realising how serious this is, but then the chain smoker sees a half a ciggarette on the ground still burning so the gay
guy says to the chain smoker “if you bend over to pick that up were both dead