Try putting down aluminum foil. Also, put a couple of pennies in a can and put them on top of the aluminum foil. The noise of both the foil and the pennies clinking in the can should scare him off.

Poor little guy. Bad A$$ Buddy was just like Apollo. He was full of piss and vinegar. Once I adopted Lucie Lu, he's been directing his energy her way, which she loves.

Could possibly be separation anxiety.