The Theory Family

Introduction

Trey and Kella Hypothesis move in together.
Trey, ever the family sim, proposes to his high school sweetheart, and Kella accepts.
They marry on the spot.

The happy couple exchanging vows (one of which is to get out of their parent clothes and into new ones of their own!)

Update #1

Trey gets a promotion to Sous Chef.
The day after their first baby is concieved, Trey decides to do some more stargazing.

Go towards the light...

Kella races over to see Trey getting abducted by aliens!
He is, of course, returned a few hours later - is that music I hear?
Kella had lots of questions to ask him, but seeing as he was completely freaked out, she would wait. He's be ready to talk in an hour or so, right?
Trey decides to pubish a cookbook. Unfortunately, it resulted in his being demoted back to Prep cook.

The new parents and their new daughter

Then the day arrives where their first child is born. Kella goes into labour in the middle of the night, and has a baby girl, Chase.
As Trey is still on maternity leave, so Kella goes to work the next day, both deciding to save their days off for when they really need them.

Trey and Xavier

The next day, Trey gives birth to a green skinned little boy, whom he names Xavier.

Update #2

Kella and Trey both get promotions - coordinating days off work to take care of their kids. (Kella gets about 3 promos in this update, heh).
Chase became a toddler, and the following day, so did Xavier.

Trey isn't happy about the whole abduction thing, I don't think

Then what happens? Trey feels it's safe to stargaze again (alien encounters are like lightning, right?) and he gets abducted again!
NOTE: Yeah, okay I cheated this time - but I never cheat unless I can do it on my own the first time, lol).

Trey and Kella pregnant at the same time: classic

A couple of days after Trey's return, Chase becomes a child.
And the following day, Xavier becomes a child too.
This time, however, Kella and Trey give birth on the same day - within hours of each other. Kella has a daughter named Tessa, and Trey also had a daughter, Xia.

Kella helps Xia become a toddler

Tessa and Xia become toddlers.
And Trey gets abducted again!
NOTE: Well, he's a family sim, thus wanting 10 kids... the least he can do is contribute, hehehe.

Update #3