Guy #!: "You can't get her pregnant unless she's ovulating. Women do it right before they get their period."
Guy #2: "I don't want to chance it..."
Guy #1: "Is she on the Pill? Women on the Pill don't ovulate..."
Guy #2: "I don't know; guess I should fund out."
Scary stuff! Did they stop teaching sex ed. in high schools, due to budget cuts?