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."