How can it be that you receive dozens of personal e-mails or texts every day but have nothing to do come Saturday night? Or that you're constantly juggling a jam-packed schedule while always feeling that something essential is missing? Who the heck took the social out of your social life? Jeanne Martinet, the celebrated author of The Art of Mingling , solves these mysteries and more in Life Is Friends . With an attitude that's savvy, sympathetic,...