AHHHH!!!! I have spent the day following all and every suggestion that has been made, and it has made absolutely no difference. He has a smaller hide, more stuff in his tank to hide or burrow in, a sheet wrapped around 3 sides for more privacy and I checked and double checked that the substrate was clean, there was no scent/odor in the tank. But yet he is still not happy!

He's fine and happy when he's out with me, but as soon as I put him back in he's miserable and trying to escape. I feel horrible