Theres a big difference between 34 d and 34 dd. That is all

Bra Sister Sizes To The Rescue - Sisterhood Of Bras

Bra Sister Sizes: Why Every Woman Should Know for Bra Fitting

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Bluebella reveal breast size increases over 50 years

VS 32DDD 34B 34C 34DD 34DDD 36D DREAM ANGELS BRA

Find your perfect fit with sister sizing

on a post saying the average bra size in the us is 34DD. wait till he finds out that 34dd is not a very big size : r/badwomensanatomy

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Do You Know Your Sister Size - Legs Plus & Bra Boutique