Both of ours are like that. If one of us are sick, they make sure that they stay close and never let us out of their sight.
Once in a while, if I'm starting to come down with something, Cass will be super clingy with me. That's when Audrey will keep telling me, "you're getting sick, better watch out." Most of the time, she's right.
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours faithful and true~ to the last beat of his heart. You owe it to him to be worthy of such devotion. ~unknown