The baseball uniform pants would be too obvious to set on fire. As far as staring goes, as long as Yamamoto isn't running around covering his butt with his hands and being silly, Gokudera won't be obvious.

"Let's agree to disagree," Otherwise they could go on arguing about cat ears being cute or not on Gokudera all day. He's got the energy for it, sure, but there are other more amusing things to do aside from arguing childishly.