They don't blush when flustered, they start to float away like a helium balloon. Which means flirting with them in a wide open space is attempted murder.
"Can't lie down, all my blood will fall out.
Sensitivity to aural frequencies and vibrations, resulting in an allergy to specific kinds of music. "Many of my kind have succumbed to the Disco Fever."
Dives into salt water to save human friend, immediately rusts, sinks.
"Oh don't worry about head trauma." *holds breath and reforms their shattered skull with a pop* "I don't really have a central brain, like you. I've got a webbed mesh of free-floating synapses and data cores in my limbs and extremities." *wiggles fingers* "Incidentally, every time you've grabbed my hand to shake it you've probably destroyed the last few memories I have of my father. I think... I don't remember."
Re: Brainstorming help - Alien Biology
"Can't lie down, all my blood will fall out.
Sensitivity to aural frequencies and vibrations, resulting in an allergy to specific kinds of music. "Many of my kind have succumbed to the Disco Fever."
Dives into salt water to save human friend, immediately rusts, sinks.
"Oh don't worry about head trauma." *holds breath and reforms their shattered skull with a pop* "I don't really have a central brain, like you. I've got a webbed mesh of free-floating synapses and data cores in my limbs and extremities." *wiggles fingers* "Incidentally, every time you've grabbed my hand to shake it you've probably destroyed the last few memories I have of my father. I think... I don't remember."