Warm nights and full bellies.

Two sims MUST try for baby tonight.

If there are no eligible couples, pick your two youngest adults. They cannot garden, cook, or do anything besides get their relationship high enough to woohoo! If there is no place on the lot to woohoo, like a tent or shower, they will have to sneak off the lot to find a haystack somewhere. Don't forget to roll for an event when they get back!