Girl actually so Clueless that she dodge killer curse
I dunno if it's cluelessness or if her brain just works different, or she just had a different way of thinking. The painting is supposed to drive you to kill yourself. But what if you just kinda ignore it? "Ngl this painting's pretty shit."
I think for a lot of supernatural entities and phenomena, they only have as much power over you as you let them, by focusing on them, caring about them, fearing them, worrying about them, acknowledging their power. So not doing those things can keep you safe.
Obviously the more physical stuff can just kill you, but stuff probably won't be able to influence you paranormally as much.