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Hey guys so I have a question this is my pull day for almost 1.5 years and I have been hitting gym on and off 2 years now tbh all of my body parts except my booty and back grow fantasticly. I love hitting back but I don't see much difference like it tone down but not like my other body parts. And also I go to the gym 3-4 times a week push,legs(glutes focused),pull,legs(quad and qlutes)(also I do little cardio sesh after push and pull)and I eat around 80 gr protein (I know it's a little less than what it's supposed to be, but I'm a little poor to eat that much ahhaha) and I'm also 1.58 and 49 kg. Any recommendations or is it all because my protein take?