I noticed significant jumps when I swapped out chicken for lunch and replaced it with beef.
I still eat tons of chicken, but I eat much more beef, comparatively (over a pound a day of beef usually).
"Look son, there comes a time in every man's life when he has to make a decision. Do you want to be big, powerful, jacked, yoked-up, have women everywhere want you and men fear you . . . or do you want to do crossfit?"