i'm 28 and need some help. i can put my hands on stuff but i just want to know how self it is. i really just want to get back in shape again and not hurt myself in the long run. i worked out really hard for a few years (20-25) and loved the way i looked. 179 at 5'10... however i kind just quit. and now i'm 220! stretch marks and everything. i have try a couple products from g n c but they are a waste of time. need some tips!