wtf is going on with my nipples?!?!

Caleah • Southern by the Grace of God
So this might sound weird but bare with me... So my nipples have been hard and extremely sore and sensitive for the past 5 days! It's not my whole boob it's just my nipple! Wtf?!? I'm dying here! They hurt so bad!! Does anybody know maybe why they are like this or how I can fix it