"There was definitely not a rock in his shoe."

Tsuyu basically WORRIES FOR YURI A LOT which is something they have discussed. But Yuri comes across to him as this guy who gets hurt and then proceeds to pretend to be a-okay. This is a thing Tsuyu DOES NOT APPROVE OF but he likes Yuri in general and will thus try to keep an eye on him, especially since he picked up his i-can-do-medicine skill.

REVERSE!