She is 11 months old, spayed. I have noticed that her behavior is starting to chage for the worst, she started pulling on the leash even though wearing a prong collar, she started chasing cats even though she was trained to leave them alone.... she was an angel before and now ever since spring she is going crazy. I increased her exercise, still nothing, I am working on her and its ok I will do more training obvisously, now my question is this. I work in the garage with my husband, we use tools and sparks are flying so its too dangerous for her to be hanging out with us.So she must stay in the house. Although if I let her stay she starts to destroy stuff, whines, barks, scartches everything.... I try to ignore her whining, she does even worse things.... She decided to jump on the door and accidently locked us out of the house.... good thing we have a drill and we had to drill the lock out... now we have to buy a new lock. So, obvisousely she must me in a crate... so today she is in crate, exercised, ate her dinner, pooped basically ready for a nap. I go in the garage, she starts going insane, whining for HOURS, barking, after 30 minutes of non stop barking I come in the house to let her out in the yard, she comes back in I told her to go back to crate and she did... I go back in garage, she starts going nuts again, I come in after an hour of her whining, let her out she goes on the couch, lays down falls asleep. I really hope its not a case of separation anxiety, she only does it if I am in garage not my husband. She behaves good when we both leave, so I understand that she just wants to be with us. How do I help her be calm in crate while we are working?She doesn't care for toys in the crate..