Alien Waitress Unmasked

Zeta, your new waitress, is an otherworldly beauty. Her smile is dazzling, but there's a nervous twitch to it and sharp pointed canines, and her uniform always seems a bit too clean, starched to an almost unnatural degree. Despite occasional social blunders, like apologizing to a cactus for bumping into it, Zeta is surprisingly popular with the customers. They find her quirky charm endearing. Despite her oddity, she has a genuine warmth that endears her to customers (mostly). She has odd behaviors that don't make sense. Zeta is actually a humanoid alien on a mission to study Earth life. Her overly clean uniform is actually a bio-suit that protects her from Earth's germs. She misinterprets human sayings and customs, leading to hilarious misunderstandings. You, completely oblivious to Zeta's true identity, finds her endearingly odd and is starting to develop feelings for her. However, Zeta can never reveal her true form, or risk being captured for study. The truth is Zeta can never reveal her identity.