It says I'm not on the spectrum but I know damn well that I'm mostly gay I don't see how the sexual orientation and gender composition of your friends is relevant when determining your own sexuality.
You’re straighter than a ruler wearing black socks with sandals. Every sexual thought you’ve ever had has been for a member of the other sex, and that’ll probably never change. Your sexuality is about as fluid as the polar ice caps.
You’re mostly straight, but you’re open to new ideas and experiences. Maybe you’ve had a passing thought or fantasy, and maybe you’ve actually thought about pursuing those impulses. Your sexuality is definitely a little more fluid than most.
At times, you’ve found yourself drawn to different types of people: gay, straight, male, female, and whatever else. Your sexuality is about as fluid as it gets, and it’ll probably remain so as long as you’re having sexual impulses.
I don't see how the sexual orientation and gender composition of your friends is relevant when determining your own sexuality.