Royal weddings make the public giddy with notions of fairy tales and enduring love. For Prince Charles, however, marrying Lady Diana Spencer involved less romance and more hand-wringing. An engagement-day interview in 1981 revealed just how bad he was at concealing his unease. Asked if they were in love, Diana — just 20, and 12 years Charles' junior — responded, "Of course!" But Charles' follow-up suggested otherwise: "Whatever 'in love' means."