I struggled for years with my cat to get him to stay hydrated. Did fountains, running tap, ice cubes in the bowl -- nothing. Then one day, while he was slurping out of my water glass, it occurred to me: Just give him his own water cup up on a table, dumbass. Sure enough, his intake immediately shot up and his little bunny turds disappeared. Would recommend.
My cat had her water jug/mug on the corner of the coffee table. It was pointless to try to keep her off the table, and she actually kept hydrated so...
My husband handed me a glass of water this morning. I took a drink and noticed it wasn't cold. "Was this on your nightstand overnight?!?!" That's cat paw juice!
I have two cats. Both cats seem to understand what is good and bad behavior but one just doesn't care. Momo understands bad behavior and will do it when we aren't there. Sencha on the other hand understands bad behavior but will do it right in front of you and doesn't give a shit. Sometimes when I'm cooking and cutting up chicken he will literally come by and try to grab a piece as I'm cutting it and once I had to play tug of war with him for a piece.