Largest study of women’s orgasms to date collected data from 27,931 women. Nearly half(47%) reported reaching orgasm more frequently when alone vs. when with a partner.

There are plenty of asexuals who masturbate but don’t want sex with others. Asexuality is about sexual attraction, flicking the bean and choking the chicken don’t require attraction. Many other asexuals aren’t interested in those activities, but it’s not part of the criteria for the label.