[Anon's face is a special, special thing. He doesn't de-helmet for just anyone. He tilts his head as he watches this scuffing, slightly baffled. He hasn't actually seen you this discomposed in... ever.]

[More that he might be able to make it through a social engagement without attempting to murder you horribly, but the infection thing would be pretty awful too.]

An acceptable hypothesis. Requires testing before confirmation or denial.