Just a crazy thought about my Pug Guliwer who is 1 year old! We want to train him to use a litter box (for continuing using the house as a toilet after months of training). The problem with this is THE CAT. Can this be done? Can I keep the cat out of Guliwer's litter box??? Maybe there is a type of litter that cats don't like... Any suggestions would be so appreciated. Thanx!