Men are much more susceptible.
http://podcast.headlinesbook.com/e/32324-%e2%80%93-shiur-461-%e2%80%93-everyone-should-be-a-shadchan-%e2%80%93-how-to-set-up-a-shidduch/with Rabbi Moshe Walter Rabbi of Woodside Synagogue Ahavas Torah and noted author 13:41with Rabbi Dovid Schoen Av Bais Din for The Bais Din of Florida 39:16with Mrs. Miriam Levitan Noted Shadchan, Eretz Yisroel 1:09:49with Shlomo Lewenstein Noted Shadchan, Lakewood 1:09:49with David Katzoff amateur shadchan 1:49:11with Noah and Ruchama Tradonsky amateur shadchanim 2:09:53last 2 interviewees have some good points.
He needs to interview a demographer
https://www.theyeshivaworld.com/news/general/2281705/groundbreaking-roshei-yeshiva-unveil-new-steps-being-taken-to-address-shidduch-crisis.html