I don't think there's anything approaching a reasonable, randomized sample size to draw conclusions about all asexuals. For one thing, your sample of aces, being on AVEN and this subreddit, are preselected. It is all aces who are either aware of their sexuality and accepting of it to some degree. Asexual people who are just out in the wild acting like everyone else because it's what everyone else is doing are not included in that. There is no reasonable way to estimate that 80-90% of asexuals have one or more of those issues; I sincerely doubt 80-90% of asexuals even identify as such, let alone openly enough to be posting about it online. For another, it's entirely possible that people on the autism spectrum manifest asexuality more openly than people not on it. Just off the top of my head, I could hypothesize that people with autism are likely to have more difficulty masking (i.e. pretending to be like everyone else) than others. People with autism could also have m