You shouldn't talk about people behind their backs.
Patty is out with friends one night.
Patty wants to know what is going on with Dave.
Patty asks the rest of the group where is Dave and calls him to invite him.
Patty rudely tells the rest of the group she is glad Dave is not there because she hates him.
Patty makes Dave happy because she remembered him.
Patty upsets the rest of the group because they like Dave.