Joyce's Son,Al,borrowed Money from Verity Finance

True/False

Joyce's son,Al,borrowed money from Verity Finance.Al lost his job last month and has not made the latest payment on the debt.When Verity's collections department telephones,Joyce answers the phone.She agrees to make the payments if Al does not because she is worried about his state of mind due to his job loss.
-Joyce's promise does not have to be in writing to be enforceable.