My dog is gsd 1 month old but i am cofuse her coat is single,doble ya midium because sb alg alg btarhe hai or use food mei kya de bcoz wo kuch b ni khata h thoda bhut he khta h osko bhuk bdane ka b tonik diya but fir b koi fark ni pdra ya ose jo food hm dere h wo acha ni lgta nd wo bar bar toilet jata hai or khi b kr deta h .M kya kru nd oska khane ka tym table kese manage kru?