Your idea doesn't make sense since women report higher sexual partners than men in ALL age groups in the figure you linked,
15 karma · joined May 4, 2021
https://pubmed.ncbi.nlm.nih.gov/10902048/
This paper seems to disagree heavily with you.
- https://techcrunch.com/2009/11/18/okcupid-inbox-attractive/ - https://quillette.com/2019/03/12/attraction-inequality-and-t...