John: "Baby, I love you and to prove my love I want you to have this promise ring. Now everyone will know that I love you."
Sally: "Ohh, John!! I love you too. I have to go make this my facebook status, and call my BFF Susie"
John: "Ok baby...call me later."
John: "Hey Susie, its John....she doesn't suspect a thing. I'm on my way...."
Susie: "I can't wait, me so horny...."
Sally: "Susie, guess what? John just gave me a promise ring!!! He loves me, and I was way off about him cheating on me."