Board Thread:Speculation House/@comment-13215692-20130913161702/@comment-10390252-20140605110553

It means that Blake is a lonely girl with very little emotional intimacy in her life. She's also basically a typical teenager who is feeling the first blush of hormonal lusts. I think that Monty was making a point with that throw-away moment: that RWBY are, basically, just normal teenagers, for all they have superpowers and are training to be warriors against a semi-demonic evil (as well as the more mundane super-criminals of the world).