"
Will I become what I became again
Will I become what I became when we were only friends
If not, I think I might just ride again
‘Cause I remember when you said
It’s the smartest way if all we stay as friends
He doesn't want to turn into the thing he was before, what his friend made him be. This could be referring to a past addiction of sorts, or just being stuck in a bad relationship with the Friend he is speaking to in this song.