In my experience as a 36D, the women who endorse sentiments like this are B cups are smaller.
IOW, I'm so very glad you have breasts that make not wearing a bra possible. I absolutely do not have breasts that make not wearing a bra possible, not if I want to to anything other than sit on my ass all day.
You'll take my underwire bra from my cold, dead hands.
(And, yes, that's me in the icon, wearing a horrible painful torture device properly-fitted custom corset (which sadly no longer fits as I've lost weight, *sigh* $650 corset).)