Be honest and give him a piece of gum or a mint?? lol I am only half joking. Smokers obviously don't realize that they stink and that it permeates everything. Only he can decide if he wants to stop and only you can decide if it is worth the time to get over it.
Good luck with that fish.
kat
Me-53(and learning!) S24, S21, D18, D17 Just keep swimming, Just keep swimming. Dory