A man is in a hotel and wants to ask the clerk a question, but as he turns to the front desk he accidentally bumps into a woman next to him, brushing his elbow into her breast.
They are both quite startled. The man turns to her and says,
"Ma'am, if your heart is as soft as your breast, you'll forgive me."
To which she replies, "If your cock is as hard as your elbow, I'm in room 436.