The clinical signs of Feline Idiopathic Cystitis include dysuria (difficulty or pain during urination), pollakiuria...
We could say that cats are very controlling animals because they like to have control over everything that happens around them. This way they can feel good and calm. The ability to have control over the environment is one of the most important factors, in the case of the feline species, to prevent and treat stress. It's better positive reinforcement than treats.