Some answers are quite obvious. Telling a smoker that smoking is bad is definitely one of them. Not just for your lungs but to also down there when it’s time and there’s no smoking gun on heat, pardon the pun. If there’s one thing that can force a man to quit a habit, it is the inability to have sex. Moreover, let us warn you that if you smoke more than a pack a day, the risk of erectile dysfunction goes up by 60%. The problem is progressive, eventually damaging the blood vessels. So the sooner you kick the butt, the better.