I have yet to spend any actual real-world time with my girlfriend, so I have no idea if I'd act like that or not. I suspect not. Neither of us is a giggly sort of person.
You w-- YOU WILL. You will, you will, you will. Because everyone does. You'll allienate your friends, overdose on each other's presence to the point where you're planning to poison them in their sleep and then you'll go through a particularly nasty fallout break-up.