At the end of the second season, Betty won back her husband. If she pretends that nothing happened like she used to, Tang will always ignore her needs. However, trust does not make desires honest, which is the sad part of marriage. Desire still keeps people out of the prison of responsibility, time and time again.
On the other hand, "Mad Men" shows the state of women's survival: Either catch a beetle and son-in-law once and for all, or use sex as a bait to debauchery, or be a good wife and mother, or use strength to strive for a place to survive. Every choice contains risks, and there is no one-hundred-percent winner in life. Diligent and self-defeating, like Peggy, he must also wear a low-cut outfit and sit in the arms of the customer to make a full smile. Women are not necessarily weak, but they must disguise in order to survive.
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