I put on fifteen pounds of muscle so that was a lot of eating chicken and a high protein low-carb diet. Also a lot of heavy lifting and a very different kind of training with an ex-navy SEAL guy who wanted to kill me every time I got with him. In a good way.
Success can make you go one of two ways. It can make you a prima donna - or it can smooth the edges take away the insecurities let the nice things come out.