How to be a good boy

According to Leo, all it takes to be a good boy is to hold your hands in this position and smile:

I asked him the other day, "Can you be a good boy?" He said, "Yes!" I asked, "How are you going to be a good boy?" I expected him to say, "I share" or "Be nice" or "Be quiet" or "I pick up toys." Instead, he put his hands like in the picture above and said, "Like This!" And with his two-year-old accent, it sounded like, "Like Dis!"

Here, he demonstrates it:

If only it were that easy!