maybe he is lonely or he is just trying to tell you something is w rong, try getting him a kong it will keep him busy 4hrs or maybe he needs longer walks then you thought just try and see if nothing works try having him checked out by your vet maybe he will know why,hope this helps.
Ok I got my puppy pit like when he was 5 wks old and she is scary why? I never hit her or anything. She will tuck her tail when i go towards her are when i tell her no, not to do something. Can someone help me get her confidence up and stop her from being so scary. she is now about 8 or 9 wks old. Can some one pleasehelpme?