Why don't men understand a woman's boobs shrink when she looses weight?

I went from D cups to As with a 60 lb weight loss.

I have had men contact me from when I was fat who talk about my big boobs. I have to try so hard to educate them in the fact that many bra size has shrunken dramatically with my weight loss!

Other guys who met me after my weight loss laugh when I tell them I was once an ample breasted woman!

Why don't men understand a woman's boobs shrink when she looses weight?
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