Honestly... first month you will hate it... or might hate it. Then t will get addictive... if I read that you are not going, I'm infracting you for not going...
look up Paleo principle.Its also known as the caveman diet, eating the way our ancestors did before farming gave us the shape we are now.
It`ll proportion you properly, and reduce your body fat percentage.
It is tough enough, but even spurting it for a month or so now and again while training hard can have drastic results
I have heard of various athletes using this. It works quite well apparently.