He doesn't quite have the chance to get too flustered at Kira's comment about it being a date, instead just readying his phone to exchange numbers... which is done rather quickly through the Meta-Nav!

"There we are...!"

He goes to stash his phone away, and looks back up at Kira.

"I wouldn't say it's creepy to encounter other versions of yourself. I'd use the word 'surreal' for it. Always looking into a mirror when you speak with them, hearing your voice without speaking... It's quite odd. I still haven't quite gotten used to it."