I'll believe it if I see it" for dogs translates to "I'll believe it if I smell it." So don't bother yelling at them; it's the energy and scent they pay attention to, not your words.
Cesar MillanThe thing about discipline is that people misunderstand the word discipline. People think discipline in the dog world is punishment. Discipline is how you achieve what you want to achieve in life. You have to be very focused, very disciplined, very consistent, very diligent. All of those things.
Cesar Millan