In this type situation, the first 2 things to say are “Someone call 911” and “Someone go get the AED”. AED might not be needed but 1) it doesn’t hurt to have it available if required and 2) it gives somebody something productive to do.
We had a brother and sister that both loved baths. Actually, water of any sort: laying out in the rain, playing in the sprinkler or in the snow, getting in the tub or shower with us.
Fourth wall??? We don’t need no stinkin’ 4th wall!!!