everything demi burnett dreamed of. >> i can transform myself into a 10, you know?: it was her on-screen antics on "the bachelor" -- >> i will happily accept your rose. >> juju: that made her famous. >> the queen is back! >> juju: acting out drawing eyes on "bachelor in paradise." >> anybody there who doesn't know who i am? >> juju: behind the scenes demi was grappling with autism and didn't know it. >> so mortified, god! >> juju: what do people not know about you, from what they've seen publicly? >> i'm really known for being so bold and confident and, like, if someone confronts me, i could handle it and stuff. but i really don't like that kind of stuff. >> juju: it's a performance? >> yeah. for the theater. >> juju: it's an act, all an act? >> it's performance to save your life, though. because it's necessary. >> juju: demi says that performance helped her navigate a crippling social anxiety she could never understand. she says she initially self-medicated by abusing alcohol. >> i sobered up. it was six months after. and i had been struggling with being on the sam