Since yesterday we have a new skill - we actively turn over on our bel…

Since yesterday we have a new skill - we actively turn over on our bellies ? but here the nose gets stuck and starts crying because it can't flip back over. How long do children learn to flip back over? And so in what way did I get scared to take a break for a couple of minutes, and now I don't even know how to leave him. I understand that constant supervision is needed, but how... ??‍♀️