The person whose upbringing placed too much emphasis on the hymen.
“The school and some ladies from my church who taught girls said you would lose your virginity when the penis breaks the hymen, no ifs and buts. HIMENE is what brought it about, but obviously only for girls, right? No talk about the broken hymen in little girls by bicycles, perforated hymen, nonexistent hymen, hymen that has never broken or torn, nothing. Hymen broken by penis ONLY equal to no longer virgin. Imagine my surprise when I didn’t bleed from sex the first time … “
Link to the source
[ https://www.dainikviral.com/blog/people-shared-sex-ed-facts-they-learned-in-school-that-they-later-figured-out-were-so-so-wrong/ https://d26toa8f6ahusa.cloudfront.net/wp-content/uploads/2021/07/30214746/a-quiet-place-part-2-bigs-16.pdf