"The thing about boobs that seems to cause the most worry is their size. Breasts can range from teeny to enormous, and it seems that we all waste a lot of energy wishing ours were either larger or smaller. Whether yours are lemons or grapefruits, they're normal...
" Nipples come in a whole range of colors, from light pink to brownish black. The color of your nipples usually corresponds to your skin color. Got dark skin? You've probably got darker nipples. As your breasts develop, your nipples and areolae (the area around the nipples) also get darker...
"A lot of girls and women have nipples that are inverted — they're like slits instead of buttons. Guess what? This, too, is normal. Sometimes only one nipple is inverted. Sometimes they invert or correct themselves during development. Inverted nipples work just fine and don't mean you can't breast-feed later if you choose to."