Thank you all for your warm welcomes and replies! It is just difficult because, with Christianity, you take so many things for granted... yes, there is a soul; yes, there is a heaven and a hell; yes, there are angels and demons; yes, there is a God. And now that we're ex-Christians, we have to take a step back and think... is there?
Personally, it's hard for me to make the jump from "yes, there is a soul because Christianity says so," to "if Christianity is wrong, there must not be a soul." Christianity was not the only religion or philosophy to include remarks on the soul. We have to look