I love that Hiro has an outright compulsion to wave his arms and shout 'Flying Man!' whenever he sees Nathan.

It's so sweet. And a very understandable impulse. :-)

The Hiro/Ando reuniting scene is just heart-melting. Oh, my boys...

And yeah, while I'm not that into reading Mylar fic, there's no doubt that there's a little bit going on between our pet psychopath and his pretty geneticist.