Oh, Marigold was getting it, between panels 3 and 5, all right -- the increasing blush. She just didn't know how to proceed, how to either gracefully walk away or engage the guy in polite non-flirty conversation or return the flirt.
Marigold, you station-wrecker. Major Otaku is gonna have a RIVAL. Broken hearts, strewn in her wake! Romantic triangle at the Lagrange point! Tremble at the approach of the Queen of Nerds!
I need sleep.