My southern flyer Meech has been gaining weight and not active as normal and now she looks kinda greasy and she been aggressive towards other people?? I'm not sure if her diet is right I've been feeding her henrys picky blocks and henrys cherry berry hamster food and she gets one little pice of pecan stick from henrys a day plus her salad at night and sometime pumpkin seeds an a walnut once a week.. am I doing something wrong? Please help!!!