Claudia and David Arp, MSW, cofounders of Marriage Alive, are educators, popular speakers, columnist, and award-winning authors of numerous books, including the 10 Great Dates series, The Second Half of Marriage, Answering the 8 Cries of a Spirited Child, and Loving Your Relatives. They have appeared as marriage experts on NBC Today, CBS This Morning, Focus on the Family, and PBS television stations. They have been married forty years and live in Knoxville, Tennessee.