POSER!!!

When and how do kids learn to "pose" for pictures?  I guess we have the camera out so much, Cole has just learned to stop and smile.  This morning he brought me the camera (dragging it on the floor) and handed it to me  - "Here da go" and then he jumped up on the couch in the playroom.  I asked him if he wanted me to take his picture and he said, "OK"....then he did this:

Such a ham...I have no idea why we would have a kid like this???