How many men and women are ready to commit to marriage at 21? Remember, the only time you can change a man is when he's in diapers. The Princeton mom's retro rhetoric is reminiscent of the "ring by spring" mandate for coeds to get engaged by graduation.
Susan Patton set up a class war with her piece: Princeton graduates vs. the rest of the world. In truth, the class war in divorce and marriage isn't in the university you attend. It's in the company you keep and where you want to go in your life.
Although both Susan and Sheryl acknowledge that a woman's future and happiness is significantly impacted by the man she marries, Susan's letter correlates a happy marriage to intellect. Sheryl acknowledges the difficulties of marriage, and the importance of being true partners.
Look, I don't know why you went to law school, but I went because I didn't have the calves to be a model and medical school seemed way too long. After missing my shot at a ring in undergrad, what was I supposed to do? Get a "job" and "support myself"?