It's wrong to touch your friends without getting their consent.
Chris is hanging out with a group of his friends, and they're discussing their special talents.
Chris wants to try and show everyone how good he is at giving massages.
Chris asks for a volunteer to receive a shoulder massage, so he can show off his skills.
Chris goes up behind his friend Jeff and immediately starts giving him a shoulder massage.
Chris' friend Jeff offers to be the recipient of the shoulder massage and ends up agreeing that he's very talented.
Jeff is caught off guard and feels like his personal space has been violated, so he asks Chris to stop.