Back it Up, Sheldon.

Charlene is mixing and mingling with the kittens now.    She's as cool as a cucumber around them,  but they're still getting used to her.    

The other night,  she was quietly roosting on the back of the chair and looking out the front window when I let the kittens out of their room.   They came running out to play, and started bouncing about the room.

Sheldon discovered how to get up on the window ledge, and was so focused on climbing up there, he didn't realized Charlene was perched on the other end.  When he did finally notice her, he was startled, puffed right up, and threw it in reverse....