My step dad was obese and blamed everything and everyone but himself. We installed an app to count calories on his ipad, he lost 1/3rd of his bodyweight in less than a year and he's now cruising at an healthy weight, it really isn't rocket science
People who look for excuse will always find something, it's genetics, today is a cheat day, today was a bad day, I'm not feeling good, I crave chocolate, #healthyatallsizes, &c. people who stop making excuses get out of the hole surprisingly fast