Guys Never Get Married – Why Men don’t want to Get Married? Why Don’t Some Women Get Married? Now, these guys never get married Why? Researchers Say normally women get weight after the because of childbirth, but a recent study by the University of Queensland in Australia confirms that even women who do not have children end up taking a significant amount of weight into a marriage. According to the results, a woman will earn up to 15 pounds if she has a partner but no child during the first ten years of her marriage. The study goes on to explain that at the moment there are metabolic changes, so weight gain can only attribute to altered behaviors. The modified sentence does not put time and effort into training routines and eating habits.