marshmallows and razorblades

I'm all soft curves
and easy smiles when I'm happy
and you think you know me
when all you've seen are the good days

Turn the lights out
and I'm a razor blade
that leaves marks on the inside
your skin unmarked

I'm not easy to love
when my moods get dark
and you've never seen me strip
the shine from a soul
when I get scared
and I get mean

I'm all soft curves
and easy smiles on these good days
but don't presume to think that you know me