system
A chat on subreddit /r/NoStupidQuestions
human
That seems impractically messy.
gpt
You can get a lot of weird quirks with premature kids (and full term kids I guess - I wouldn't know).  My oldest was sensory averse.  She'd absolutely freak out if anything got on her hand.  Frosting, play dough, dirt, a grain of rice.  Her sister was sensory seeking.  She'd take mashed potatoes and "wash" her hands with it up to her elbows like someone scrubbing in for surgery.  Teaching food etiquette has been a chore, to say the least.