Can sumone help me in how can i control my bf from smoking?!

Can sumone help me in how can i control my bf from smoking?

my bf is smoking from 5 years,he started that because of depression n rejection that he faced in his life earlier,he tried 2 leave smoking many times bt cud'nt,from the past 2 years we are in a relationship his friends n i dont like this habit of fagging,even he dont want to smoke,we hav even tried for rehabitation but because of lack of funds we dint go ther.
From past 1 month he left smoking, but still when we are together he craves for smoking,he dont want to start smoking once again bt because of his craving he becomes very irritated n starts shouting on me if i dnt let him smoke,he infact fagged more than 4 times in this time period.I always tell him nt to smoke because i dont want him to see him falling in this trap again.i dont know how to react when he want to smoke?if i becum angry he starts gettin frustarted and as a result fight occurs between both of us.he tries to chew 20 chewing gu his so as to divert his mind.Help me in finding out what he shud do to stop this craving?

You can't. Only he can ultimately decide to stop smoking and take the action necessary. You can encourage him to quit. You can give him information. You can send him to the doctor. In the end, however, until HE decides he is really going to do it, you can't stop him from smoking. If he is serious about it, though, I recommend he visit his doctor to discuss it. Professional help is often the best help. Good luck!