Balls. They’re just sort of there, chilling. And a lot of people are confused by them. This typically means that they are completely ignored during sexy times. If you don’t know what to do, it’s better to just let them be than do something and mess things up, right? We’ve all heard that they’re really sensitive, and no one wants to hurt their partner. Staying away is a safe philosophy, but there actually are some easy ways to stimulate balls during sex.