What does "throw the dog on the curb" mean here?
So Heather, she can't talk to her friends because she's afraid that they will judge her for still loving Nick, and everywhere she turns, she gets the same advice: Leave him. Throw the dog on the curb. And if the situation were reversed, Nick would be in the same situation. Staying is the new shame.
Source: TED Talk by Esther Perel, "Rethinking infidelity ... a talk for anyone who has ever loved"