I was out this morning loving on the girls, when my Welsummer launched off the ground and nailed my lip. No biggy, I figured she was seeing my shiny eyes or something, I kind of pushed her away and stood back up not thinking much of it, just to keep my face out of chicken range. This afternoon, I went back out to bring some fresh water and of course give the chickens their snack and more pets. After they were done eating, they were just kind of wandering around me, scratching in the hay, etc. I was crouched on the ground, when the Weslummer came over and was almost glaring at me. I kind of pushed her away a bit with my fingers, and she puffed up her neck feathers and flew at me, grabbing my finger in a nasty bite. I took her and held her on her back for a few seconds, then I carried her around for about 3 minutes. She was fine in my arms, didn't struggle, she was just obnoxiously loud like she always is. She is 23 weeks old, and the only chicken not squatting for me when I pet her (the other 5 squat--only have 3 layers though at the moment). Is this a behavior I need to be worried about? I have a 5 year old son who sometimes likes to help me with the chickens, and I do NOT want him getting bit. He knows to keep his face away from them, but still enjoys petting them. These chickens are supposed to be a fun hobby, not something to worry about. I have read to tap her with my fingers like a beak to prove I am dominant, but that just caused more aggression from her. Not sure how much aggression I should put up with. I have a low tolerance for biting pets, just want to know if this is some normal chicken thing that I need to learn to tolerate, or if she is going to get worse? Any advice?