My dogs like to do that too. Even lat my face when Im sleeping and they happen to find me,they will get into the house and start lickiing my legs and my face. The other one would be jealousy when the other one joines. That is real love of the doggies.
Just picked one up this pass week end its my second one the first one passred away at 16 years the new one is three months old there the smarest dog in the world most loving too.