Im just new to this also but maybe its the foods your eating.im 5"10 180 lbs 24yo had and have same prob but over last year test boosters, protein and diet has been key for me.also maybe its what or how you workout in the gym.
While on cycle yet only have done one and it was amazing.im not a bodybuilder but i lift for mma and physique.i was trying to get as much protein i could every hour and half.yes ima newbie and have been reading up on this site its great.