I've been an 8 since 11 or 12yo, in the 70s. It was hard to find larger shoes then, often the shop would only order a couple of pairs and when they were gone they were gone. My mum used to say 'A tall building needs a strong foundation' and 'If you had small feet you'd topple over.' 
I have insecurities but this isn't one of them, I just never think about it. Even the clown feet thing, as if some shoes make them look big? I mean, they are big, I can't make them look any smaller.