My friend Tenacious Snail is blogging about how it's affected her life that marriage has been between 'a man and a woman'. I've been moved many times by her stories, as well as liking the arguments she presents for basic human rights. This is one of my favorite entries in her series.
http://tenacious-snail.livejournal.com/616473.html You might do well to go to her journal and look for the tag SSM.