Alright everybody I need your help. I have a 7th month old German Shepherd dog named Wyatt that is such a good sweet dog. That being said, I realize that as a stay-at-home mom taking care of two kids And a husband that works all day we don't have that much time to play with him so most likely, he is bored. I try to play with him by throwing a ball for at least 10 minutes at a time 3 times a day and that used to help with his biting, jumping, and dominant Behavior. By biting I mean play biting hands and feet and latching on to/tugging on clothing as well as humping. Lately it seems like no matter how much I play with him, nothing is helping curb that behavior. He has already been neutered for a month-and-a-half now. He has recently started jumping and biting me and my sister in laws while we are holding our children. I am afraid that he is going to start jumping up and biting, accidentally hurting my child or my niece or nephew. When the kids are down, he never acts this way towards them and only licks their faces and hands. I have stopped doing any kind of tug play or rough housing. When my father in law and mother in law come to visit one a week, no matter how many times we ask him not to, my fil rough houses with him and lets Wyatt up on the furniture when I have been desperately trying to teach Wyatt all the furniture including our bed is off limits. He also jumps and bites my mil. Whenever I correct him, she says oh it's alright and starts petting him and loving on him which I know only encourages the behavior and she lets him up in their bed they have here. Also, I have been working hard on training him in any spare time I can get. He knows focus, sit, down, relax (resting his head on the floor), where's the ball(find) , bring it back, leave it, and ready ("drop it" while playing fetch). When he does start exhibiting this behavior, I correct him with a firm no or a light smack with a rolled up newspaper or my hand on his nose as suggested by the vet and many close family and friends but that only seems to rile him up more to the point I actually have to wrestle him to the floor and pin him down until he calms down (exhibit the dominant behavior back at him). The ceasar the dog whisperer method of the "chich" noise and the quick hand tap doesn't work it also riles him up more. I'm the only one he listens to at all and now even I'm having a hard time controlling him. I am at my wits end! I made an appointment with the vet to see if there is a behavior problem/possible chemical imbalance. Does anybody have any suggestions on how to stop his biting, jumping, and rough housing? Any suggestions are welcome thank you so much in advance.