Top Finger Nail Ripped?

I usually grow my finger nails long and i get too lazy to cut them. I was going to cut them in a few days until my left pointer finger nail started ripping off. Not like the whole nail coming off but only the top. (The white part of the top finger nail). The skin is like attached to the nail and it's like hanging on to it. The more it came off the more it was bleeding. Right now it's like on the end of the nail and is hanging on to the skin. I am not pulling it off because it hurts a lot when i do. All i really see right now is blood and the skin peeling off. It kinda reminds me of a tooth. Like when your tooth is loose and it's hanging onto that thingy that hangs. Just like that except it's the finger nail and the skin attacted to it. I just wanted to know if the nail will grow back and will my skin heal?