"if he doesn’t get off the train… i’ll give up on him."

ch 8

i.e. the namesake of this list.

on your side ;; sion

ch 6

"why did you get on the train?"
"you... got on the train because i was on it, right?"

ch 5

the ring,, and when he sees the look on his face when he runs back

ch 6

when he sees the look on his face at the hospital

ch 9

when they lock eyes at the concert