Learn more. Intimacy is key to having a healthy, functional and overall happy relationship. Intimacy tends to follow a pattern as a relationship evolves. Couples newly in love typically experience feelings of closeness and excitement and have regular sex, says Kraft.
Sex definitely has plenty of physical and psychological benefits to it. However, the answer to how important it is in a marriage is a bit more complicated than that. Frequent sexual activity has perks such as reduced stress, an emotional connection, greater intimacy and lowered divorce rates. There are differences in how men and women view sex, but it does play a pivotal role in marriage. This is probably the most obvious reason why married couples need to have more sex.