I have a feeling any real testimony I could give would start out rambling and complicated, only to get worse. In a nutshell - I've been raised in a church in Northern Ireland by my single mother (parents divorced very young due to dads' infidelity - this is important, I think). The church was started by one of my uncle's, an Apostolic Pastor (and one of the few family members I'd feel vaguely comfortable debating religion with, funnily enough). The church is full of my family members, I'm from a very big, staunchly Protestant family. I left Northern Ireland and that lifestyle behind when I moved to England suddenly 7 years ago to live with my then boyfriend (now husband). I have only just told my mum, and ex-pastor, that I'm Agnostic. I have no idea if word has reached the rest of my family yet, I have a feeling my mum will try to keep it hush hush and get me back into the fold. I announced it because I'd brought my 7 month old son over there for a Dedication at my mum's church, really because I know she won't get to see him much, I don't believe the ceremony does or means anything, and it'll give my mum a nice memory. I regret doing it now, but was honest and asked for a Blessing instead of a Dedication. I don't want my son going through the same things I have.
I studied to become a missionary, leaving after the first year of my degree because I couldn't stand any of it anymore. I knew I was being lied to at every turn, and couldn't understand why these people were so angry and hateful of the truth. There were some who had no emotional investment in Creationism or anti-homosexuality, for example, but they were the minority and still are.
Christianity in Northern Ireland is a strange beast, it's mixed in with all the Old Religion pseudo-politics which have existed for hundreds of years. Even now, with The Troubles supposedly over, it's all hooked in there so you can't separate the "proper" Christianity in some ways from Unionism. It's hard to explain if you haven't been there, the religious atmosphere is stifling. You can't disagree, you can't be yourself. They hold everything back, abortion is still illegal even though it is legal in the rest of the UK.
See? I said I'd get rambling. I'll probably come back and post a bit more as I think of it.