It`s not that easy. [He`s still not sure if Yu really likea him or just tolerates him. And everyone back home...they smiled at him and laughed with him, but...
His head hurts. There`s this strange flash in his mind of a smiling face--that guy`s face, but he still can`t see him--and Alma reaches up a hand to rub his head.]
Maybe I have to try harder. [To figure out who the guy is, but it sounds like he`s still on topic.]