It looks like he would min-raise you several times in raised pots and you let him get away with it too often. Those tend to add up over time. Another thing is you let him off the hook by checking the river too many times when you bet your draw or 2nd pair and didn't improve. I think you can push him off some of those hands. Plus what Coco_Bill said is true.

How's the overall play over at WPEX btw?