Do you have evidence for this happening after marriage? The only case I have literal evidence against your case is Physicians in the US. About a quarter of phy

Do you have evidence for this happening after marriage? The only case I have literal evidence against your case is Physicians in the US. About a quarter of physicians marry other physicians, and this has been trending up for a long time: https://www.ama-assn.org/medical-residents/medical-resident-wellness/why-doctors-marry-doctors-exploring-medical-marriages https://www.ama-assn.org/medical-residents/medical-resident-... You can’t claim this is connections after marriage. I strongly suspect the social factor is that high earning professionals (doctors, lawyers, engineers, etc) are already on the same professional tracks when they get married. They have social circles consist mostly of other professionals. When the meet someone to marry, odds are high that person is part of their professional circles.