Many men are constantly looking for erectile improvement so their erections can be harder, stronger and last for longer periods of time. There are several reasons such as trying to cause a good impression on their girlfriends or obtaining more satisfaction for themselves or their partners. In other cases, a poor erection can be the cause of relationship problems since none of them can enjoy sex the way it should be. This desire is more common as men get older because erectile dysfunction is more likely to happen in older men than in younger men.