like funeral homes that are corn tam nated. if i go by a funeral home, i'm contaminated. do you feel your upbringing had anything to do with . >> when i was in second grade, my mum was stick. therapists said could be my obsession with things dying. >> reporter: this is the one safe spot, her bedroom. >> i kind of live in this room. >> reporter: she keeps her food here to avoid contamination. and keeps her laundry basket full of gloves. >> this will not work, it's inside out, i contaminated this. >> reporter: she wears this 24/7. her mother remembers the brighter days when her daughter would play outside with friends, unafraid of contamination. >> back then everything was good. >> reporter: julie said she tried everything to stop the spiral. how hard is this to see as a mum? >> it's horrible. her whole family is affected, and to see her. there has been years. even now. she be crying, if i touched her, she'd freak. for years. >> reporter: we saw jennifer's o.c.d. first hand when she showed us glass art on a recent family vacation. >> i like glass. >> reporter: can i touch i