[River stands her ground as he forcefully pushes past her - she's not about to let herself hit another wall today yesyouareSPOILERS - hands flexing and clenching as she tries to retain what little composure she has left.

She's half-turned toward the Master, glaring. Most days his insults are like being prodded with a dull toothpick - at worst, it hurts for a second then subsides, at best, a mildly inconvenient sensation. But today, he's sharp and hostile, irate even. River waves her hand dismissively, rolling her eyes. Diverting eye contact helps relieve the temptation of putting his eyes in contact with her fist.]

Take a bloody number and get in line. I've got my own bone to pick with him, and trust me, the minute he gets his arse back here he's gonna regret every single second he spends outside this TARDIS!

[She hadn't formulated a specific plan of how she'd make the Doctor pay, but she'd been a groomed psychopath. Torture was just like riding a bicycle. Well, she's guessing. In the mean time, she could warm up with a nice punching bag in the exercise room.] He left a note, go see for yourself.