Ah, that's true... He has been taking up quite a bit of Kira's time.

"I see. Very well, please go and get yourself some rest, then. I wouldn't want you to exhaust yourself any further."

He offers another, soft smile to Kira as he seems ready to take his leave...

"If you need me, we can exchange numbers quickly? But after that, well, it would be best for you to go and relax."