I think they underestimate the grind
I do,

from Mac Miller (Ft. Lil Wayne) – The Question Lyrics on Rap Genius

Meaning

People don’t fully appreciate how hard Mac has had to work to get to where he is now. They think his life is all fun and games, but he has his own problems just like the rest of us.

Awww, poor Mac.

To help improve the meaning of these lyrics, visit “The Question” by Mac Miller (Ft. Lil Wayne) Lyrics and leave a comment on the lyrics box