Her lack of filter doesn't make him falter one bit. The smile hasn't faded from his face, and his expression seems to wordlessly say, I thought you'd say that. Truth be told, that is in fact exactly what he's thinking.

"I have noticed that soccer seems to get a little more... excitement, I suppose you can say, than the other sports. I've talked to classmates from different clubs, and that's the impression I've gotten."

None of them have had to travel through the time-space continuum because somewhere in the future (two hundred years from now, to be specific) the pursuit of stronger and stronger soccer had given birth to a genetic mutation that resulted in children being born with psychic powers and consequentially short lifespans, and how discrimination against those children had pushed them to guerrilla warfare.

... He's glad it's just one sport.

"That threat is already gone. The current captain of our team wouldn't ever let us play so half-heartedly again."