Sometimes teeth issues can cause the ears to fall, but that's usually when they're teething as pups. You may want to lighten the fur load on his ears and see if that helps. Otherwise, you may need to tape them up; we have a thread on taping in the Puppy Care Library.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |