I belong to you

I left my heart at the lost and found
it's safe and sound 
because no one needs it
it once belonged to you
but now we're through
so I thought I'd leave it
but I know it won't be claimed
 'cause it's got your name
written down inside it
I tried to free your memory
but it just won't be
there's no place to hide it
because 
I belong to you
I belong to you