It's wrong to resent your boyfriend.
Peter has a bad habit of interrupting people which annoys his girlfriend Wendy.
Wendy wants to conflict-free relationship with Peter.
Wendy tells Peter that his interrupting bothers her and asks that he try to stop.
Wendy does not say anything when Peter interrupts and bottles up her feelings.
Peter feel embarassed by how he has acted and promises to stop.
Wendy comes to dislike Peter and explodes with anger one day.