I need some feedback. As you may know my diabetic cat Topaz is feral but now I have another "stray" cat in my backyard. I have been feeding him and now are going to trap and spay him. The question is, will he stop spraying once spayed? Do cats automatically learn to use the kitty litter? He has made it into the house by accident a few days ago and of course sprayed all over the place. What a stench! He may just remain an outside cat after spaying however, if he wants to become a inside cat, how do they learn to use the kitty litter and do male cats stop spraying once neutered??