9dpo- can't stop eating!

Kaitlin • Wife to SB. Mommy to PB and LJ.
Is this normal? I am insanely, out of the ordinary, extremely hungry. I eat, 10 minutes later I'm still hungry. This is unusual for me. Any insights? Thanks! I've also had a crazy headache all day and bbt has been rising the last 3 days. I'm wondering if the headache is from hunger or hormones.