Both. Bisexuality has its perks
It's like being able to freely go from one side of a pole to the other, rather than be polarized (stuck) to one side only. Nobody's really 100% masculine or 100% feminine anyway. Not physically, mentally, etc.
EDIT:
People who aren't quite sure could take this COGIATI test
COGIATI (COMBINED GENDER IDENTITY AND TRANSSEXUALITY INVENTORY)
http://transsexual.org/cogiati_english.html
I took it years ago and got a 60 I think. I'm neutral and androgynous, but lean slightly more towards the feminine side of the spectrum.