Our Jezebel is 14 weeks old, when we got her at 8 weeks she had a perfect shaped head. Just yesterday we noticed her head has a "lump". Seems like it just appeared over night. Researching the web, seems like having a "Cone" head is the norm for boxers. But does it happen overnight? It's soft to touch, doesn't seem to bother her at all. She's still active and spunky as ever! Is eating like a champ, so should I worry? Can someone give me insight before I panic and take her into the pet hospital?