A dim memory of college in her twenties pricks at her hindbrain. Of caffeine and the point where it does nothing but accelerate your heartbeat and panic. It made them a bit useless, defeating the purpose of having more coffee. She doesn't smell any fresh beverages on him or his clothes, so... can't be it.

Paloma's mouth gentles, smile fading to neutral. "Please don't work yourself up over nothing. I haven't bitten anyone today!" Her hand extends, a big book on microorganism functionality clasped.