Very interesting, thanks all for your input. fwiw I like the kid who made the invitation, think her mom is great, and I'm pretty sure her mom is okay with me. We actually have a lot in common. The thing about the church, MIL is the preacher. We've actually visited a UU church once, and if we lived in a place with more choices, I would probably investigate them. But the kids love the ritual, they love the people, they see both gparents there participating, and they want to as well. I wouldn't take that away from them. for myself, sometimes I find I am more spiritually fulfilled by staying home and writing or meditating. Have talked about that with the preacher/MIL and she is fine with it. Not worried about what other people think, that's their business, not mine.
Awana is not affiliated with this congregation, and takes place at another church which I have never attended. It's a multi-denominational group. I don't hold it against the kid who invited my kids, she enjoys the club and wants to share that with them. Just wasn't sure exactly what I wanted to say about that to her, how much, how to be graceful about it. She's 11, I wonder if it's too early to start talking about inerrancy with her . . . (jk)
Interestingly, there have been times when I have spoken in private with some individuals in the congregation about some of my questions about Christianity, and they have all said it's perfectly all right to come to services and ignore anything I don't like. They just want me to come. Which I think is kinda funny. (ha ha funny)
Thanks again everybody for this dialog!