The feisty Kentucky sisters were determined to lose enough weight to be approved for life-changingweight loss surgery.

But it soon became clear that this series might not have a happily-ever-after ending.

It was touch-and-go for nearly a week, but Tammy finally rallied.

Amy Slaton-Halterman talking

Fans hoping for a fourth season, however, may be disappointed.

I don’t really want to do another season, because I’m pregnant.

It’s just a lot."

Gage Halterman and bag of baby hair

For now, the sisters are keeping their followers up-to-date through their social media accounts.

One recent milestone has her fans positively melting.

Amy regularly reports on his growth and adventures through her Instagram and YouTube accounts.

Sometimes, she even answers fans' questions, like when oneaskedwhether Gage is talking yet.

“[He’s] been talking since he was 4 mo.

The other day he told me to go away lol,” Amy responded.

In fact, Gage sleeps most of the way through the cut.

“If only most of the little kids were like this!”

You’re such a big boy!"