I like to show, my son likes to watch

It started as a joke between me and my 19 yo son now he asks me to do it almost every where we go. I'm a 42 yo single mother and my son lives with me. At home he's always pointing the camera at me and asking me to get naked to take more pictures, outside of the house he likes me to show him my breasts in public places. I started to enjoy this games but we have deal but this: no touching! We can only watch and take photos. I only don't know how much time we can keep this deal...