[He's definitely gone completely soft and breathless, shivering from the words, the tone he says them in, his kiss. For a moment all he can do is kind of gasp very quietly around his breathing and - god.]
Shiro... [This time there's not any feigned protest in saying his name, but quiet wonder instead.] Mine too. You're --
[Rather than stutter out words when he's so bowled over, he holds Shiro close where he lingers near his mouth and kisses him firmly, an answer in the action. Everything, yes.]