Anyone else?

Anyone else's nipples ALWAYS look different ??? I swear sometimes I'll look at them and they'll look so dark and big and I'll look like I'm pregnant ahahah and then a few seconds later they'll shrivel up and get smaller and look normal and then like if I'm in the bath the area around the nipple will swell up and make them big and puffy lol idk if it's the heat orrrr idk it's fascinating