[In response to a description of the well-documented effect of fraternal birth order on homosexuality, where the more older brothers a male has, the more likely he'll be homosexuality]

Another person might see a quite diiferent reason for a statistical correlation than was seen by the original researchers. so here goes with an upsetting alternative analysis . . .

. . . the boy with more older siblings is more likely to be molested by one of them. The more older siblings, the less merry. I regret suggesting this alternate explanation but I am sure that this is the case.