Foreplay is optional. You never feel compelled to stop a friend from getting laid. Car mechanics tell you the truth. You don't give a rat's ass if someone notices your new haircut. Hot wax never comes near your genitals.
Wrinkles add character.
You don't have to leave the room to make emergency crotch adjustments. If you retain water, it's in a canteen. People never glance at your chest when you're talking to them. Princess Di's death was just another obituary. The occasional well-rendered belch is practically expected.