- With "lots" and "lots" of "hearts."
- By planning ahead.
Actually, Darth Vader fighting Luke in honor of an impending marriage is kind of awesome. Let's just hope your in-laws have a good sense of humor.
(And make sure the baby shower cake looks like this.)
- By comparing your new life together to violently killing things:
"Ah, young love."
(Don't worry, kids; he's only going to tranq her 'til the green diarrhea stops.)
Or, of course, there's always the old standby:
"Dude. Some of us are trying to eat over here!"
But I am not advocating cannibalism.