To go after a member of their family knowing full well they will in most likelyhood keep their mouth shut. Coward comes to mind. Weak, weasel, deserving to be kicked to the curb.
Surely, there must be other choices out there than having to hook up with your bro, or father, mother or sister. Cousins too are a very bad choice if for no other reason than down the road your going to be having a batch of half-wits.
Genetically speaking, I agree with the poster saying that we as a species instinctively will choose a mate who will be the best match for producing healthy offspring.
Ever wonder why we have homes for so many children born with Down's Syndrome? The parents dumped them off and goodbye. Not saying they were born as a result of incest. Parents for the most part want perfect and are sometimes ill equiped to handle a child with major problems.
Cambrian, you are provocative in your postings and Beline is correct in asking your age. It is early 20's, right? If this subject has come into your rhelm of thinking, it must surely be because of someone you know or a person contemplating the move of crossing the taboo of incest.
Funny, just never came up with me and I had two beautiful brothers. Beautiful son, too. No. You can love without going into the sexual part.
Bobbie