It's halo effect and mirroring. People we find attractive we also are more likely to give graces when it comes to things such as humor. And we're likely to mir

It's halo effect and mirroring. People we find attractive we also are more likely to give graces when it comes to things such as humor. And we're likely to mirror the behaviors of people we're attracted to (such as playing along when we sense they're trying to be funny)