Elisabeth Elliot tells of Gladys Aylward, a London parlour maid, who went to China as a missionary. She spent seven years there, single, happy. Then an English couple came to work nearby. She saw what she'd been missing out on. So she prayed that God would choose a man in England, call him, send him out to China and have him propose.
"I believe God answers prayer. He called him, but he never came."