Harboring Ill Will
It's not unusual to think and talk about people one way when they're around and another way when they're not. But what if the words you utter and the thoughts you ponder about others are, in fact, transmitted to them, even if they aren't consciously aware of it? What if the idle negativity you harbor toward them impacts them, you and the relationship? A great way to find out is to stop thinking negative thoughts about someone you regularly harbor ill will toward and see what happens. Try it! You've nothing to lose and may very well gain...
A happier you.