As if two-year-olds are all the time going off diving boards by themselves while their nervous mommies stand watch on the total opposite side of the pool because the two year old insisted, "Go away over there, Mommy, so you can take my picture" when I stood too close.
Jacob's big brother and big sister do it all the time. Maybe it really is no big deal.
That's not going to stop this mom from keeping a careful eye. Whether he wants me to or not.