[it would be fantastic if people stopped asking him that. so for a moment he kind of stares at her as he attempts to assess his own feelings.]

...I don't know. We did the right thing. There really wasn't another option, and Nishijima-sensei did say he was leaving the future to us. So...all we can do is keep moving forward.

[it's a cop-out answer and also a vague one because yeah, he has not had time to really properly think about any of this since they slammed right into murder academy.]