Pam, my Pica just turned 2 years old and has been a biter since she was just a tiny kit. Everyone said she'd outgrow it, but no, she goes for the ankles and feet and has drawn blood regularly. I've tried the Bitter Apple, the time-outs, the nose-thumps (before I learned otherwise), and nothing ever worked. I discovered a new little trick a couple months ago. I keep a spray bottle of water on my desk, so when she decides to take a bite of foot, I give her a little squirt on the top of her head. She totally hates that. I might have to squirt her several times (along with a verbal warning) but she's taking the hint; at long last she's learning. I still get the occasional nip, but she hasn't made me bleed (not even while I'm wearing socks) since I started using the water bottle. It's harmless and she hates it. Good luck and I hope this (or something else) works with your boy. Wendy and House Penferret: Boobah, Buttercup, Pica, and Flower [Posted in FML issue 2962]