He was borrowing trouble, reasoning in advance of his data. - Lois McMaster Bujold

Mark had a Thing about Miles. Thing was not accepted psychoscientific terminology, she’d been informed by his twinkling therapist, but there was scarcely another term with the scope and flexibility to take in the whole complexity of the…Thing.

Miles had heard weird tales of strange relationships between people and their clones. But then, anyone who deliberately went out and had a clone made must be kinky to start with. Far more interesting to have a child, preferably with a woman who was smarter, faster, and better-looking than oneself; then there was at least a chance for a bit of evolution in the clan.

"And this was your friend?" Cordelia raised her eyebrows. "Seems to me the only difference between your friends and your enemies is how long the stand around chatting before they shoot you."