It on the internet. She feels terribly embarrassed and trust in him violated. He should have validated her as a worthwhile person instead of making fun of it and then helped her get into a good ocd psychologist. These things can be managed and overcome.
I've never heard of this specific ocd action but similar types of overreactions to germs. It's vet embarrassing for the individual. They know it's absurd but they can't help themselves without professional help often