If he gives you neg, you are screwed on here. Site sucks when anyone can give neg and you have to live with it. I hope mods hear this as they suck for letting anyone give neg and get away with it.
Not really, I neg'd a guy a few years back for no show, and the fool neg'd me back when I PM'd him from mtg place with a pic of me in my car in front of the meet place with car clock proving I was there. I challenged his neg to me and mods did the right thing.