I read a great article, today by Dan Reiland, the "Pastor's Coach" from Injoy Ministries on dealing with "professional christians."
Check it out here: http://www.mmiblog.com/monday_morning_insight_we/2005/11/dear_god_please.html
I think that there are a lot of well meaning people in some churches who just veered off course somewhere along the way. And now they're in a strange land, miles off the original course, with the great potential of being grumpy about it.
And they don't really understand why that's the case.