her own sister. >> how are you coping with all the press attention? >> well, as you can see, you can tell. >> i think she was very protective of him. >> but every once in a while in private, a very giddy, very love-struck 19-year-old confides in those close to her. >> she would gush about him, how intelligent he was, how perfect he was. >> her perfect prince and most agree she could be the perfect princess. >> she had never had a boyfriend. she was completely pure, untouched. the most eligible woman in the land to marry the h eir to the throne. %-p? >> on paper, yes, she was. >> and by winter 1980, he's running out of time. prince charles is 32 years old. the future king needs to settle down, to marry and to produce an heir to the throne.