"One evening, thirtysomething single writer Aimaee Lutkin found herself at a dinner party surrounded by couples. When the conversation turned to her love life, Lutkin--who had dated on and (mostly) off for years--stated simply, "I don't really know if I'mgoing to date anyone ever again. Some people are just alone forever." As her friends rushed to assure her that love comes when you least expect it and to make recommendations for new dating apps,...