Used when you want it to be a secret.
(Sitting at a party with your virgin girlfriend"
GF: (Whispers) Hey baby I think I am ready to have sex.
You: Alright lets get out of this place.
(Begin to leave)
Drunk Friend: Hey where are you going man?
You: Oh, I am just going to go get the pop.
Drunk Friend: Ok, I like Pepsi.