There may be some environmental factors but I doubt it and that makes zero sense to me. Sexuality just seems to be innate.
And aside from "makes zero sense to me" and "just seems".... the important part is that the scientific evidence is strongly in favor of the belief that homosexuality is indeed genetic and innate.
And aside from "makes zero sense to me" and "just seems".... the important part is that the scientific evidence is strongly in favor of the belief that homosexuality is indeed genetic and innate.