Our new little Carmella bites!! She bites our faces, she bites our feet, legs, arms, anywhere she can get ahold of a piece of meat and she doesn't let go! And her little puppy teeth are so sharp! If we play with her just a little she gets rough and starts attacking us. Of couse she's just a puppy but it does hurt! Is this common? My Bitsy is the complete opposite of her. Also, her nails are sharp and I'm not sure if we can clip them yet?