1. Education levels so that the kids have somthing to work towards.
2.House selection. Maybe have 5 houses with different layouts that you can pick.
3. See other people! Meet your neighbours/ friends, and maybe have parties.
4. Allow relatoves to visit and have peep's aunts/ uncles visit.
5. Have more moods, like angry/ irratated.
6. Let nursing mothers work! /put the baby in a playpen!
7. Have mothers be "pregnant" for 9 months of game time, then have them hold the baby.
8. More interaction with the pets!
9. Once you unlock all upgrades/ trophies, have a new set!
10. Have new room additions, such as a nursery or brekfast nook.
11. Be able to see dead family members' stats.
12. Have a basement. I don't know why, but it would be nice.
13. Change their hairstyles!
14. Allow children to have friends/ email them/ invite them over.
15. Being able to see my peeps at college! I miss them and want to see them grow up!
16. Have the option to send the old peeps to the nursing home.
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I'm going to take the time right now to plug my fanfics. Aspen's story and Lilihia and the Tree.