My children are often bad about leaving their reading material on our couch after they leave the room. Amidst the princess books, I saw some of my son’s animal literature. Like any good Freeman, he’s fascinated with tigers. He had an information sheet on Bengal tigers. I looked over that sheet and saw that the male tiger hangs around the female for a few days and then, in the words of the sheet, “plays no further part in the rearing of the cubs.” Later, I thought about how of