Is she smiling?

"Now then, this is just above the entrance of the cave. From here on, walking within the cave, for the same amount of time. In the same direction, we'll continue." Rhys explained.

Lyn's eyes widened. "Eh? Could it be that you've been giving us directions based on what you remember?"

This is an area that he previously explored with Prince Andrew before. When he said he was curious why the patrols don't go this way, surprisingly the first Prince personally showed him around. That guy is so strange. 

"Well yeah, although it's tiring, it's better than running around being lost. Moreover, it's better to be useful than being heavy weight."

"Rhys-"

He reaches over and pats her hair, and gives her a reassuring smile. "Now then, first we should continue going straight for thirty steps. In the direction of south east, ten steps. "