I didnt read this before. I replied too quick lol if he is tossing his head at the bridle then maybe you should look at his teeth. That would explain both the weight and his attitude ;)
After last night, I'm pretty sure it's about 90% the weather. It was snowing very lightly last night, no wind, and when I brought him inside he was nice and calm. He easily let me me out his halter on after he was done eating, and he tood well enough for me to get thrush medication on his feet. The barn was quiet and calm inside, and I would have loved just trying to tack him up to see how he reacted. Unfortunately I had this stray puppy we found w/me so my time was limited. Definitely tonight.