Definitely BL for me and I also love writing it. I read some GL stories before but for some reason I didn't become engaged as much even when the story was interesting. Which is kind of strange considering I identify as bi. When it comes to fiction, I absolutely prefer reading about handsome boys and especially if it's a webcomic.
BL. Probably because I have more guy friends than girl ones, although my best girl ones are bi. I feel dudes are less complicated, and I've had a couple run-ins with bi girls who wouldn't take no for an answer.