>>2534656It's just..
Nagato (alien) won't talk about it, because she thinks emotions are system error. Love is one too.
Nagato (human) wouldn't talk about it, because, simply - she's too shy to confess to him.
Kyon won't talk about it, because he barely cares about feelings of others, be it Suzumiya's, Asahina's or Nagato's feelings, let alone his own.
..am I wrong?