The Doctor: The wedding! Yes, you're getting married, that's it! Best day of your life, walking down the aisle - oh, your body's a battle ground! There's a chemical war inside! Adrenaline, acetylcholine, WHAM go the endorphins, oh you're cooking! Yeah, you're like a walking oven! A pressure cooker, a microwave, all churning away, the particles reach boiling point,SHAZAM! (Donna slaps him) What did I do this time!?!