Actually, I've only been involved with one girl I worked with. It was Alyssa Milano. We didn't actually have an onscreen kiss - we're about to but it gets broken up. ↗
I think real life couples on screen are kind of deadly. For the most part, they're kind of deadly. You'd be surprised. Unless they're falling in love onscreen for the first time, you don't have quite the same energy for some reason. ↗
