We asked you to call us with your stories of looking for love in the 21st century — and man, did you come through. We heard the whole range of human experience in your stories, but one theme rang out loud and clear: dating, and especially online dating, is a struggle.The data backs this up. Despite the fact that meeting someone today doesn’t require much more than swiping on your phone, people who are looking for long-term relationships are lonelier than ever.Why is it like this? How did love – this thing that’s supposed to be beautiful, magical, transformative – turn into …