I agree that you should apologize. And I think the letter still needs work. The bi-polar explanation is good. I still don't like the don't do this and don't do that stuff. Especially, the don't give them any religion. Exposure to the conventional religions is part of socialization. Your kids will need to fit in to society at large, which means they should know what religion is, a smattering here and there is very educational. They will form their own opinions as to what they believe when they are old enough. For example, I am Jewish and raised my children Jewish, but I encouraged them to go to Church with their friends when they were invited. They need to be cognizant of the larger world around them. And I even sent my son to a Catholic boarding school for a year when we felt he needed the kind of discipline they offered. Likewise, my children's friends sat through services at my daughter's bat mitzvah. Because understanding of those different from ourselves is an important skill in life. It leads to tolerance. And if you are practicing a religion of 1, you will need tolerance from others more than they need tolerance from you.