It's wrong to tell other people secrets
Steve told his close friend Bill a very big and embarrassing secret about himself, and Bill remembers it while hanging out with some friends.
Bill wants to amuse some friends.
Bill decides to pull out his phone and show them a funny cat video.
Bill tells the group of people Steve's secret spur of the moment.
Steve appreciates Bill continuing to keep his secret and trust.
Steve eventually finds out, and never trusts Bill with anything again.