Yvonne may not have known much about love, but she knew how to deal with people. A weak woman like Ariel would play the victim card just so she'd get her way. That was the easiest sort of person to deal with.
Yvonne felt no need to continue the conversation, so she moved to sidestep Ariel.
Ariel was in a hurry, so she blurted out the first thing that popped into her head: "Haven't you given it any thought? With that appearance of yours, you're going to embarrass him just by being by his side."