“Using a random sample of adults ages 18-96, men and women were asked to clarify which sexual behaviors fit the definition.

“Generally, there was not a significant difference between men and women, and there was no real consensus on which behaviors qualify as sex.

“Though nearly all concurred that penile-vaginal intercourse fit the criteria, two out of ten people did not concur that penile-anal intercourse was sex, and three out of ten said ‘no’ to oral-genital activity, as did half of the respondents about manual-genital contact.”

Click here to read the full study. 

How about you? What counts as sex to you?