I think you need to go on a date with her first? I don't know, maybe it's also in the number of cows you recruited for the farm.
posibly ill look for the last bull
The bulls are not required. When I did it there was an option in "talk" to do so. I don't remember if it happened before or after the date. If there's a fridge in the basement, that means it's already been done.
i found it
