Not hitting on your best friend's significant other is expected.
Jason and Molly are partner's who are currently throwing a party at their house.
Mark wants to comment on Molly's appearance.
Mark tells Molly that he likes her dress and shoes.
Mark tells Molly that he thinks her dress makes her look hot.
Molly thanks Mark for the comments and returns the favor to him.
Molly tells Jason and has Mark kicked out of the party.