Is there a way to dicourage biting?

My blue birbo (1yo) bites so hard i bleed sometimes. Is there a way to discourage this behavior or "make" her bite less? I don't mind some nibbles or bites from time to time, but it feels like she does not know how much is too much. Thank you!

My blue birbo (1yo) bites so hard i bleed sometimes. Is there a way to discourage this behavior or "make" her bite less? I don't mind some nibbles or bites from time to time, but it feels like she does not know how much is too much. Thank you!