It's wrong to share someone's nude photos without their consent.
John is having lunch with Dan the leader of a modeling agency, and John's girlfriend Beth is a model who sends him sexy pictures sometimes.
John wants to promote Beth to Dan.
John discusses his girlfriend's time as a model, and at the end of the meeting John gives Dan her phone number.
John shows Dan a private modeling photo Beth took while she was naked.
Beth is asked to join Dan's agency.
Beth is humiliated that John would show someone a private picture, and breaks up with him.