How Do Older Women (in their 20s) Nipples Poke Out?

Are teenage girl's nipples supposed to poke out and stay that way? Or is it just a bra benefit?


My nipples would automatically poke out every once in awhile and it's very rare that they do. Mostly, my nipples don't poke out. They just stay hidden and rarely poke out. I feel slightly uncomfortable when I feel them poking out or trying to, anyway.


I looked at my mother's and hers stays poked out whenever she does or doesn't wear a bra. And I wonder why.

I thought that they were supposed to poke out and stay poked out when I hit puberty. But that never happened. Is this just some kind of hormone thing or something else?
How Do Older Women (in their 20s) Nipples Poke Out?
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