Hey sis!
Trish (chiy) is right....as hard as it may seem, don't let him get to you. He is only one person with one opinion. Any chance you can talk to his supervisor? The PO I had in the county I live in now wasn't mean, like yours, but he wasn't too bright. I had to stay on him to get me on unsupervised probation after the 2-year mark, and then he sent my file to the wrong county. Luckily, I had talked to my original PO and when she didn't get the notification, I called him and he said "oh, we sent your file to fulton county"...I said "why...I don't live there any more and my original charge was in monroe county"...he had to call me back and then blamed it on his secretary.
He is only human and sounds like he's a jerk. You can speak to his supervisor at any time. Your record since then DOES count for a lot. Turn it over to HP and keep doing what you need to, okay?
Luv ya!!!
Amy