Wish I could take credit for thinking this up, but I found it elsewhere online and cannot:
I was walking across a bridge one day, and I saw a man standing on the edge,
about to jump off. So I ran over and said "stop! don't do it!"
"Why shouldn't I?" he said.
I said, "Well, there's so much to live for!"
He said, "Like what?"
I said, "Well...are you religious or atheist?"
He said, "Religious."
I said, "Me too! Are you Christian or Buddhist?"
He said, "Christian."
I said, "Me too! Are you Catholic or Protestant?"
He said, "Protestant."
I said, "Me too! Are you Episcopalian or Baptist?"
He said, "Baptist!"
I said, "Wow! Me too! Are you Baptist Church of God or Baptist Church of the Lord?"
He said, "Baptist Church of God!"
I said, "Me too! Are you original Baptist Church of God, or are you Reformed
Baptist Church of God?"
He said, "Reformed Baptist Church of God!"
I said, "Me too! Are you Reformed Baptist Church of God, reformation of 1879,
or Reformed Baptist Church of God, reformation of 1915?"
He said, "Reformed Baptist Church of God, reformation of 1915!"
I said, "Die, heretic scum", and pushed him off.