Overhauling the ship system and completely divorcing ship passengers from the ship upgrade point pool. Being forced to choose between having a crew or upgrading your ship isn't fun.
I'm not opposed to some ships having a really limited crew capacity or some ships not having much room for...
I second have a description of the kids afterwards.
More ideas would be the Incubus dad coming and visiting after the birth. Or the cat boy freaking out and trying to run away to escape responsibility after the fight.