It is awesome how well they get along. Jesse is that way with my daughter. However he could never live with her, nor would I. As much as I love her, she lives with 9 cats, 3 who are feral. The males spray everywhere, even though all the cats have been fixed. Some of the cats actual urinate on the furniture, including the beds. I don't even like visiting her at home, and my mom lives there too.
They do clean the multitude of litterboxes at least twice a day. It is just the cats are out of control.