You can also change when they're interactable by editing the1. The default is 280 days, but you can change that in the settings. You specify a multiplier to the pregnancy time, so .1 results in pregnancies taking about a month.
2. Yep, characters will morph.
3. Babies and kids are abstracted: they're present in your contact list, but aren't interactive until they turn 18.
4. Like the answer to 1, the default is 18 years but you can change that in the settings. Specifically, you set how fast they age, so 365 makes them grow up in 18 days.
age.lpstat
file.It's located at
\LifePlay\Content\Modules\vin_Base\Stats