Karina took the lead. "Well, after I moved in, I cried a lot at night. Carly would put her arms around me and hold me tightly until I cried myself to sleep. It got to be the only way I could go to sleep after a while, having your sister holding me. And it was still summer and pretty warm at night, so we didn't wear much in the way of clothing to sleep in. One night, I had my head on her chest, and noticed her nipple was hard even though it was still pretty warm in the room." Carly blushed a deep crimson. Weird. I don't think I...