I've had what I consider to be a couple of distinct interactions with God, and one weird thing that happened. I don't regularly attend church but I've been bringing my daughters lately so they experience it.
One day a couple months ago we were singing, as one normally does and during the 2 songs about Jesus, I started sweating profusely. I mean, my forehead was dumping. This is not normal at all. It's actually never happened before or since.