Joan used to be a doctor, and then worked with addicts, so bodily fluids don't really faze her in general. This...is outside the norm, yes, and as such does creep her out a little. Not enough to get anything more than a bit of an internal "eww," though.

The talk of music does at least seem to affect R in a positive way.

"I think that's a good idea," she says to Julie. Then, to R: "Can you hum?"