Can I have my nips back please!?!?!?!?

Why my DD (24d) gotta eat so damn much!?!?!? πŸ˜‚πŸ˜‚ It’s been going on like this for almost 2w and she stay hungry! I don’t remember my DS#2 (2y tomorrow) being like this. Is this normal newborn behavior or something I gotta worry about?