Dave O’Brien knew it was time to lose weight.
He weighed well over 200 pounds at the beginning of the year and he wanted to slim down. But he found it wasn’t easy.
“I tried to go on a diet in January and I did good for a couple of days, then I’d go off it,” said O’Brien, 48, a quiet, unassuming man.
He saw an advertisement for the Sweet Home Big Loser contest and…