Being rejected by a partner (or potential partner) is never fun. Neither is rejecting someone. But as actions go, there's definitely a right way and a wrong way to let a person down. The right way involves honestly, empathy, and hopefully meeting in person - or at least a somber phone call. Even “It's not you, it's me” is an acceptable theme, as it's a situation that often rings true when a relationship simply doesn't click. So while there are a number of considerate ways to tell someone that y…