MLA spoilers but
>Realizes Sumika is reading his mind
>Has been explicitly instructed to think about fun old memories with her
>Knows that contradictory information could cause her to go insane
>Spends half the time around her unable to stop moping and thinking potentially identity-warping thoughts for no fucking reason
Jesus, Takeru. Do 4 in, 4 out or something, just relax. Why can't he learn to get a grip?