Ah yes, there's nothing like a good me time. Trust me, I know the feeling all too well.
Frankly, if it were me, I would've politely told them to fuck off leave me alone for now. I might even make up an excuse that I'm expecting someone to join me just so I can get passed by their unexpected intrusion . But hey, since you didn't really mind, it's all good then.
Just make sure you see a professional for that face rearrangement strategy.
We'll get em in round 2 I'm positive.
I need face-rearangement-strategy training.