Nobody seems to get that...
Yes. It would be optional. Just like:
-A side quest for which the reward is a machine gun.
-Cooking and cleaning quests
-"9 to 5 quests", wherein your character must go to the local shop and perform a menial task for 8 real-time hours. Better hope not to get the randomly-assigned "Overtime" quest!
Domestic life does not belong in the Elder Scrolls series. Not to such a blatant extent as this.
This is coming from a guy that spends a lot of his time re-organizing the stuff in his house.
The Elder Scrolls is in the Pen and Paper RPG tradition. Not the "Imagine: Babies" tradition. High adventure and magic is the order of the day, not mundane interactions with family.