Is it weird to have a wedding book when you’re not engaged?

My sister is getting married to her high school boyfriend soon -they have been together for close to 10yrs. Last weekend when we finally sat down to make some plans she pulled out a Barns&Nobel; wedding book planning thing. So I ask if that was new and she said she had it since her sophomore year of college which was WAY before he proposed and only around their 4year anniversary. Weird? Progressive? Romantic? — thoughts.

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