Jon,
Your 242 pounds, puts you at 109.7kgs.
Which isn't that heavy at all, unless you are only 4ft tall.
I'm slightly above you on 110kg, but I sort of have hieght on my side.
I neglected to mention the fact that I smoke cigarettes.
Giving them up,(as I did a year ago, but took it back up again) would increase my wieght by another 10%.
It was the wieght gain that shyed me away from giving up.
Nicotine is an appetite suppresent, meaning you eat less, lose that and you find yourself constantly eating, I know I've been there before!.
Sure it is not an excuse at all to keep smoking, which I reckon is a dirty habit, but, what wrecks your lungs, helps your stomach.
I will also say that I am one of the fittest Fire-fighters in the local Fire Brigade.
Considering that 3 of them hold a Black Belt in Siedo Karate.