There are some two million years of history behind those golden eyes, and you can tell from just a glance.
But when Chibi looks longer and closer, rests his forehead against Qilby's and really gazes, he notices more things, like the way his eyes crinkle slightly at their down-turned corners when he's happy, or the tiniest dilation of his pupils. He notices the way they twitch a little when he thinks about something he doesn't want to, and the way in moments like this they light up a bit to have Chibi close to him.
Qilby's gotten used to Chibi doing this, just leaning against him and staring into his eyes for minutes at a time, but even though he knows everything there is to know about the inventor he likes to look back into those grey eyes and reflect. In them, he sees two million years ahead; he sees the swirl of thoughts about where to step next, the ideas churning in his head, the prophetic dreams that plague his nights. He sees the mind that never stops, and he sees that it's a bit like his.
They are past, present and future, together and all at once, and in moments like this the fabric of time falls apart and they unify into the one singular concept that is two Eliatropes in the snow.