Matter is a term contrary to soul. But nonsoul is its contradictory. Whatever is not soul is nonsoul.
I don't sit there and speculate. I'm not that sort of person. It wastes time, actually.
You should never have to say hello or goodbye. Even at work sometimes, and I know this is very unpopular, is that if I'm going to work every single day, I don't think you should have to hug people hello every single day when you come to work. I saw you Monday!