You shouldn't lie to your partner about quitting smoking.
James' girlfriend gives him an ultimatum to either stop smoking or break up with her.
James wants to continue smoking.
James breaks up with his girlfriend and starts dating someone less judgmental.
James still smokes at work and when he's out with his friends.
James is much happier dating someone who shares his values and lifestyle.
James' girlfriend smells the smoke on his clothes and dumps him.