Sometimes it can be difficult for a woman to have an orgasm. It isn't as easy for them as it is for guys. It seems like she has found out the best way to make herself have an orgasm. Stuff her pussy full of a powerful vibrator while out in public. The idea does sound kind of crazy. Until you see that it actually works. Not only does she put on a good show, but she gets to have an orgasm. As you know an orgasm can do wonders to relieve stress. She needs all the stress relief she can get!