A few minutes after I posted a review of my latest book on social media, I received a message from my former partner, from whom I hadn’t heard in nearly three years. He congratulated me and, practically in the same breath, informed me that he was now the proud and recent father of twins, a boy and girl. He attached a picture of two adorable tots who looked so photogenic, the mean part of me thought he doctored it. He has craved fatherhood for much of his adult life and — thanks to