" Really, you might make an effort. Honestly, I don't know what's the matter with all of you!"
I do, Tiffany thought. You're like a dog worrying sheep all the time. You don't give them time to obey you and you don't let them know when they've done things right. You just keep barking. "

― Terry Pratchett , A Hat Full of Sky (Discworld, #32; Tiffany Aching, #2)