Nature is also what we psychologically are. Our inner beeing that may not coincide with our body. See MTF and FTM so to say, they follow their inner nature.
I think ejaculating is unimportant, what matters is to regularly orgasm anally on a regular basis. The penis would not be removed just let it useless and limp.
ummm i don't know about that.
How come 99% needs ejaculation ? Lets ask some experts on here talk about ejaculation.

