Ds (3) will happily pee in toilet at home or at the homes of my family. However he absolutely refuses to use any public toilets whatsoever, even nice ones in cafes etc. Sometimes he actually refuses to go in them at all, even when I need to go! I end up having to take him outside to pee in a secluded corner (if in countryside) or in the potty in the car.
Any ideas how I can convince him that peeing in public toilets is ok??