Sean Brickell, a lapsed Catholic, has come into contact with evangelical Christians and disgrees with their attitude to being "born again" and sex before marriage. So, are evangelicals too straight-jacketed? Matt Frost leads a church of young, single evangelicals and chats with Sean about the different way they view things.

To hear more discussions between Christians and non-Christians go to www.premier.org.uk/unbelievable. Join the discussion on the Premier Community www.premiercommunity.org.uk/group/unbelievable.