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If you author a style-oriented blog titled Rules for the Modern Girl, you’d better make sure you’ve got the expertise to back it up. Time to put Christine Watson (www.instagram.com/tinewatson), the brains behind the blog, to the test. The 27-year-old Newburyport resident also implements training courses for a major accounting firm and enjoys spending time with her husband and parrotlet (it’s a tiny parrot). She also adores all things French, so it’s time to say bonjour to this week’s Instagram francophile.