alot of times i pick up my polish and i see that it has its mouth open a lot and its tounge will move some, almost like he's panting, but most times when he's just standing or if im holding him he will do that, he's two months old, is something wrong? none of my others really do it? once he was doing it and i put water by him, but he didnt go right to it or anything so i guess he wasnt thirsty... im worried, whats wrong