I lost My rat of 2 yrs recently and decided to look at the local humane society to see if any rats needed a home. The worker at the shelter suggested a younger pair about 7 months old. She said they were hand shy but young enough to get used to being handled. It seems a bit worse than that as they go absolutely nuts if they even think you might pick them up. This makes things more difficult. Anyone have any experience with hand training rats that may have been mistreated in a previous living situation?