Snuggle. It is probably very easy to tell that her husband does not want to die on her.

"If I'm dead at the time I care much less about the mystical gamete thing, and God knows I've been through enough assorted medical procedures that you could construct some kind of horrible Miles-effigy out of the scraps, life-size if not life-like. You won't lack for genome samples to run off a quick random-assembly from, if you choose the 'drop a kid on my parents and flee' route."