"I would not let myself believe That you might stray," to me, says that she was cheated on. She wouldn't have believed if someone told her that he was unfaithful ("And I would stand by you No matter what they'd say"). But she knew when she looked into his eyes ("I looked into your eyes/They told me plenty/I already knew"). It was devastating because she had plans to be together forever (... until my dying day).
"I would not let myself believe That you might stray," to me, says that she was cheated on. She wouldn't have believed if someone told her that he was unfaithful ("And I would stand by you No matter what they'd say"). But she knew when she looked into his eyes ("I looked into your eyes/They told me plenty/I already knew"). It was devastating because she had plans to be together forever (... until my dying day).