Katie GarrityWhen my husband and I started telling our friends and family that we were taking our 6-year-old on a week-long vacation to Tahiti, the reactions were pretty much what we expected. Excitement and shock mixed with an unspoken version of: Wtf are you two thinking? Isn't that a honeymoon destination?And to be honest, yes, we were asking ourselves the same thing. It would be a very long trek to get there from the Midwest. Our daughter ha…