i have a problem😞

Me
I been with my bf over a year already and his telling me to marry him already im 20 and his 25 he says that he wants to be married already cus his old. And im the perfect women for him. But heres thing  i dont want to get married... i havent had fun in my life and if i get married its not going to be the same... (btw we dont usally go out, so if were bf and we dont go out immagine married already?)  and i love him but i guess i have to let him go... he cant wait no longer... idk what to doÂ