What Makes People Gay?

From The Boston Globe:

Gay_1 With crystal-blue eyes, wavy hair, and freshly scrubbed faces, the boys look as though they stepped out of a Pottery Barn Kids catalog. They are 7-year-old twins. I’ll call them Thomas and Patrick; their parents agreed to let me meet the boys as long as I didn’t use their real names.

Spend five seconds with them, and there can be no doubt that they are identical twins – so identical even they can’t tell each other apart in photographs. Spend five minutes with them, and their profound differences begin to emerge.

More here.