I love touch, but, pet me on the back of my hands, or the upper-side of my feet, and I can get aggressive out of sheer reaction too. Can't bear someone touching me there. Used to be the same about my bellybutton, but that hardly was an issue. Not that exposed. Those hands though. Horrible. And it seems to be the first place where people want to pet, when thinking they need to comfort or touch someone.
My foot-soles though. Aaaaahhhhh, heaven.