Board Thread:Speculation House/@comment-25045079-20140826195207/@comment-26397825-20160408231117

Because they're not the ones who said 'talk about cute boys'. Weiss is the only one who has mentioned Jaune being cute in any way, so she's the one he's going to go after.

Plus, Pyrrha has really set herself up as a mentor-type and some people are not comfortable hooking up with someone they see as a mentor, and Yang is very forward. It would probably make Jaune, who is very awkward, uncomfortable to go chasing a very forward girl.