Solved
Unplayed sims aging regardless of settings with Get to Work.
Noticed that when I am at work as a doctor (haven't tried other jobs yet), unplayed sims will show up and age while they are at the hospital. Had a child from my own household that I wasn't playing a...
Settings in the Options
Played Households (= Households you have entered at least once)
As you can see you can distinguish between Yes/No/Active Household only. Active Household is the one you are currently playing.
Unplayed Houshold againg is a yes/no field. That's all households you have never touched
To set a household as unplayed, go to the household manager
