http://en.wikipedia.org/wiki/Kinsey_scale
Hardly any of my close friends are 0's. Whereas almost all of my work colleagues are 0's, with one or two 1's and a 6/5.
Meanwhile I'm back being a 'boring' 0.
Yes, this is a simplified view on the state of things, but it fits the limited 8 poll options 
If you wish to add more detail to your option, feel free to post.
Hardly any of my close friends are 0's. Whereas almost all of my work colleagues are 0's, with one or two 1's and a 6/5.
Meanwhile I'm back being a 'boring' 0.
Code:
0 Exclusively heterosexual
1 Predominantly heterosexual, only incidentally homosexual
2 Predominantly heterosexual, but more than incidentally homosexual
3 Equally heterosexual and homosexual
4 Predominantly homosexual, but more than incidentally heterosexual
5 Predominantly homosexual, only incidentally heterosexual
6 Exclusively homosexual
X Non-sexual
If you wish to add more detail to your option, feel free to post.