When assortative matching on age can interfere with matching

Here's an article addressed to the shidduchim crisis, that leaves some orthodox Jewish women without a husband. The article highlights a video made by young men who married happily after relaxing the customary insistence that the bride be younger than they.

"A recent YouTube video produced by NASI, the North American Shidduch Initiative, suggests that young boys can and should marry older girls — even if the girl is four months his senior, or, God-forbid, one year and three months older (what a crisis!)."