When I was 15, I had a great mentor. IFBB Pro big ron partlow. I asked him
"Big ron, what's the secret? How do I become as big as you"
I'll never forget what he said
"you know that leg workout we just did? 20 years of that"
and he was completely right. It just takes time man. Be consistent with your diet and training and you will get there. It's like building a house. Brick by brick.