you can get stronger but gaining actual muscle mass takes years and years. 1-2 pounds a year is a realistic goal
and if you want to argue this then prove it mother fucker. there is a reason most people who get gym memberships end up quitting, they realize how hard it is to gain muscle quickly. this is a marathon, not a sprint ... and it never ends. i started lifting weights at 15 and am still battling 25 years later