You shouldn't be a home wrecker.
Irene notices that her married neighbor Bill looks at her a certain way sometimes.
Irene wants to say something to Bill.
Irene tells Bill that he's married and if he wants to look at her that way he needs to get a divorce.
Irene tells Bill that she's available any time he wants her and all he has to do is knock.
Bill's wife is thankful to Irene for putting her husband in his place and not ruining her marriage.
Bill's wife is angry with Bill for what Irene did and now Bill's relationship is suffering even though Bill did nothing.