We've all been hurt by someone. Whether it's a fight ending a friendship, being cheated on by a partner or a classmate undermining a group project, any situation where someone wrongs you can leave you ...

Reciprocity (give-and-take exchange) is essential for successful human interactions. Feeling motivated to return a favor (and feeling owed for a favor) drives social behavior, personal interaction, ...

There’s an old children’s book by Sandol Stoddard called “I Like You.” Published in 1965, it begins “I like you because you are a good person to like” and then continues with all the reasons to like ...