When I was in junior high, one of my friends had very strict parents. Because I didn't share her Christian denomination (Pentecostal), her parents didn't want her to spend time with me. I decided to join my friend's church youth group. My mom worried about that. When she'd grown up, Catholics were prohibited from attending services at other churches. It was thought that learning too much about other religions would be damaging to their Catholic faith. My mom eventually agreed I could join the yo...