Hes showing you that non stop love lol ??? Maybe ask the vet maybe lacking something in his diet?? I'm not sure let us know if you do find out. I'm sure there are a lot of others being licked all day and night as well  good luck!!! 
__________________  mommy of Jersey Girl d.o.b 3-20-12, & KIWI d.o.b 4-18-12  & momma to one in yorkie heaven  Kagan 12-24-06 /8-13-09 forever loved & forever missed |