Fwiw...I conceived both sons with no noticeable ewcm. In fact, I would have trouble recognising it really. My friend conceived a son, then a daughter with 'copius' amounts both times.
Grrrr to that woman in the supermarket. Why is it always in the supermarket? As if you're not stressed enough handling the kids and the checkout! Some very rude people around. Hugs to you and those gorgeous boys x I always wonder what my sons think when they hear these comments being made??