James B. Jordan writes:
This abysmal notion is ferociously defended by those given over to this idea. It is clear from the Bible that the pleasures of marital intercourse are to be enjoyed, and it would have been sinful for Joseph to deny it to her. There is nothing dirty about sex in marriage. Theologian John Murray, once asked if Mary stayed a virgin, replied to the effect: “Of course not! She was a Godly woman.” Jephthah’s daughter wept because she was consigned to perpetual virginity. Are we to believe that God rewarded Mary’s faithfulness with a curse!? — denying her the pleasures of a husband and the joys of more children?