Then, she said, “weight began to pack on.”

“I came home and knew I had to change my lifestyle.

And I did!!”

Amber Johnston and family

At that point, she had lost 25 pounds.

In the months since, she shed another 19, for a weight loss of 44 pounds and counting.

In an exclusive interview withThe List, Johnston reveals how she did it.

Amber Johnston before and after

The plan also recommends daily moderate-intensity exercise.

[I’ll] be back down to high school weight, which will be amazing."

Season 6 of7 Little Johnstonsairs Tuesdays at 8 p.m. ET/PT on TLC.

Catch the mid-season finale on February 16.