We desperately need help with our male cat. He has been constantly marking around the house is various different places, he tried to kill our other female cat that we've had for over a year now and he is overall just an a**hole. We've tried everything from multiple litter boxes, feeding routines, stress serums and pheromones, supplements, but none of it seems to make any difference. It's extremely frustrating because we don't know where to go next.
1 Pet: 1 cat
Training
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