[Yuan's intent on the doctor, as though he means to memorize everything she says. The only change this presents in his bearing is that his holding of Kratos becomes absent enough Yuan doesn't notice his own tenderness, nor the gentle circle of his fingertips.]

Understood. I'll make sure of it.

[When he's sure Kratos can be left alone without significant fear for his life, Yuan will duck out to the markets and acquire at least three diffusers, as well as the frankincense oil to go with them. Since she's packing up:]

How much do I owe you?

[No sense in not being blunt about it.]