It's rude to show up unexpectedly to visit a friend.
Reggie was bored one day and decided to visit his friend Darryl at his house, who happened to have his girlfriend over at that time.
Reggie wanted to visit Darryl.
Reggie called Darryl first to see if it was OK, but Darryl said he was busy, and they will meet later.
Reggie showed up unexpectedly at Darryl's door, interrupting Darryl's makeout session.
Reggie visited Darryl later that day, after Darryl was done visiting with his girlfriend.
Darryl yelled at Reggie and Darryl's girlfriend was no longer in the mood.