Guys, I have just unintentionally spoiler'd myself as to who River Song is and her relationship to Amy.

My sadness at this is indescribable. I hate spoilers with a burning passion. Hell, I don't even watch those short previews at the end of every episode in fear of spoiling myself. Now that just takes the fun out of watching Series 6 when I do get up to it.

Damn you Youtube and your spoilery comments.