I have a 3 month old Newf puppy who gets really hyper and barks and bites. She only does this for about 1 1/2 hours every evening. The rest of the time she is wonderful. Will she grow out of this and eventually calm down. She's not biting aggresivly as she thinks she's playing, but it still hurts and she is a little slow in learning that it is not acceptable to use her teeth on us?
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