When they want to establish their dominance over the household, they can be incredibly obstinate.
They won't give up until they can deliver an appropriate sacrifice, like a dead bird or bug, to the house.
If they can't do this, they might get frustrated.
Buy them a toy that looks like their prey, such a mouse, bird, bug, etc.; they might find it entertaining.
Due to their territorial nature, leo cats may not be the best choice for a home with other animals that could serve as prey, including parakeets or rabbits.
When they want to establish their dominance over the household, they can be incredibly obstinate.