Yeah, when it started, I found that there was some rather sharp tenderness right behind the nipple. They also got really red.
I've been on AA's since the beginning but I had low T to begin with, I think. So the Estrogen has been working fairly fast on me.
A month in, my nipples, much like Riannah, are pretty much erect all the time and considerably larger than they were when I started.
I pretty much
HAVE to wear a bra or it's fairly obvious that my nipples are not a men's nipples. The color of the areola is also dark enough now that they can be easily seen through a white or light colored shirt.
They have a varying degree of achiness 24/7 too.
I've said it before and I'll say it again. I have a new found empathy for all those poor pre-teen girls who are given a hard time about puberty now that I'm going through it.