There was never any discussion about the married status of these biblical people. It was simply assumed that they were all straight, just like my family: a mom and dad, children, grandparents, aunts and uncles.
As Rachel writes about her 6 year-old, she realized with horror that "the two words I most commonly spoke to my little lover of life were: 'Hurry up.'" It's a moving reminder to not let our lives pass us by, and a joyful account of how it is possible to change our lives for the better.
I can certainly empathize with feelings of being misunderstood, underrepresented, and closeted. Some people just don't want to get it on, and they have my vote to take safe harbor from the heteronormative thunderstorm and join us under the queer umbrella.