Boys aren’t as open to bisexuality as girls are. Almost all girls try having sex with each other at some point in their lives, whereas, boys often fight their urges to explore each other.
At 18 Only Girls the boys and girls are a lot more open minded than the average teenager is. Especially the girls. The girls above are engaged in a masturbation race to see who can cum first. My money is on the one in the blue tights!
Watch the video and see how crazy horny girls get when there are no boys around.