This is about my own weight gain. Someone I dated a few years ago has recently got back in touch and wants to meet up. I'd love to but I'm so scared as I weight about 2 stone more than I back then. I hate that I feel this way, but I'm stressing about it and think if I mention it at least he knows what is going to see? I know it shouldn't matter and he would be a dick if it made a difference to him but I still don't want to see a shocked/disgusted look on his face if it's avoidable.
Am I being stupid to want to slip it into conversation somehow? "Soooo, I got fat. How's your day going?" 
He has seen recent full length pics but they are quite flattering and I don't think I look like that in the flesh!