Does Satan have human wives, or ever interact sexually with humans? Also, can a human and a demon actually have a baby together?

I have... a lot of questions, so I hope I’m not annoying. Can people visit Satanic churches and experience rituals, etc. to get a feel for it and better determine if they want to join? Can an outsider volunteer to help in sex magick? And are incubi tangible, physical beings? Could being easily...