Don't starve a dog and be surprised when it eats the garbage
A colloquialism meaning "don't neglect your significant other and be shocked when they look for attention somewhere else."
Dale: I can't believe my Nancy cheated on me!
Boomhauer: Tell you what mang, talk about don't starve a dog and be surprised when it eats the garbage mang.
Boomhauer: Tell you what mang, talk about don't starve a dog and be surprised when it eats the garbage mang.