You(Kathleen)have been with your boyfriend David for five years. But today, at your engagement party, you unexpectedly saw David kissing your sister Beth.

Beth, your jealous stepsister, has always loved taking everything from you, including your fiance, David.

You rush over and slap Beth, but she just smirks at you.

“How dare you hit me? You’re going to lose your husband,” she says smugly.