Man, outdoor cats got stamina! My indoor cat rolls over and goes to sleep after 15 seconds of chasing a laser pointer around the room.

My current cat is the gentlest thing in the world. Never once swiped or even hissed at anyone in all the years I've had him, even if you accidentally step on him.

But becomes the most vicious thing if he ever spots a mouse. 3 times he's caught one in the house, instantly killing with a single calculated burst of speed and swipe. The last one, I came home to bloody messes all over the floor. I didn't even know what they were at first, until I looked close and noticed little bits of tail and feet in some of them.

Only time I've seen him freak out is when a neighborhood cat comes up near the window. I'll hear a shattering WHAP against the window and he's hyper ventilating from hitting it so hard.