Got a success story of your own? Send it to us atsuccess.stories@huffingtonpost.com and you could be featured in ourI Lost Weight series! Name: Jason Gerstenberger Age: 29 Height:6’3″ Before Weight: 400 pounds How I Gained It: I started gainingnoticeable weight in grade school. My mother became sick with MSand my parents divorced. I had a loving family, and they were allathletic. I lacked a sense of stability from an early age. Myparents shared custody of my little sister and me, so meals weren’talways on a consistent schedule. Sometimes we indulged in fast