Your boyfriend started smoking and you dont really like smoking and you dont know if you should break up with him or no?

if you are asthmatic then you should definitely break up with him

even better, get him to quit. its unhealthy for him, and the rest of the world.

if you are not asthmatic, then it just depends on how much you detest smoking. weigh his good qualities against his bad ones, then make a decision. don't stay in the relationship just to be in a relationship.