My buddy Derec put it best -- you can see and hear the pain in John's voice. And having met the dude a couple times before, he's a genuinely nice dude and I feel bad that he's hurting so much. I don't do emotions a lot, but here's hoping John and Nikki can get back together down the line.
And if not, here's hoping both of them get to a place where they're healed up and OK again. Heartbreak is a b**ch.