Thanks for reply @D4thincarnation
As you mentioned about slow down the body due to weight,
let me explain rest things that:
My height: 5'11
Weight: 72 kg
diet: 6 times a day with protein shakes + creatine+ glutamin+taurine+ eggs+ fruits+ Fruit juice+ Indian homemade food
Flexibility is not a problem for me because as i do yoga every day.(sorry I forget to write in previously ...