My Heart Stays With You

My mind may be in another place, but my heart stays with you.
I'm brainless and I'm dull, but these feelings aren't new.
I have my faults, and my weaknesses too.
But with the strength you give me, there's nothing I can't do.
We're a pair; the paper and glue.
My heart and your heart, together they're two.
Confusing thoughts; I've had a few.
How much you mean to me, if only you knew.