WW: On Happy Days you portrayed a single mom, which was unheard of in those days, and your character got Fonzie, a ladies’ man, to commit. Linda Purl: I never thought of it in those terms.

Happy Days star Linda Purl, 69, has unexpectedly found love again with 76-year-old Dallas star Patrick Duffy, and in a new interview, she admits they are just as surprised as anybody.