As I mentioned earlier, the circumstances that precipitate puer development prece sexual differentiation and the formation of a strong identity based on gender. Some puers and puellas are, therefore, heterosexual, others are homosexual.

I would accept that many of them behave like humans born on earth would, but that must be an artefact of poor translation or our poor understanding of their motives and objectives [Watsonian] or lack of vision on the writers part [Doylist - to borrow some terms from the Bujold mailing list - think 'as written by' Dr Watson or by Arthur Conan Doyle].

Queen Gertrude: Good Hamlet, cast thy nighted colour off.

There are infinitely many unprimeable numbers, although the first unprimeable number ending in an odd number is not until 212159.