Some may be in bad marriages or relationships in which there is physical and/or verbal abuse. All these people may smoke to feel relaxed or to give them energy while going through a hard time. Also, some people smoke to control their weight. Smokers, on the average, weigh seven pounds less than non-smokers. This may be because smoking reduces a person's appetite. It lessens his/her sense of taste and smell. This could be why ex-smokers gain weight after quitting cigarettes. Finally, there are people who say they love to smoke as smoking gives them pleasure. It just makes them feel good.