It will never work for you ... you should have gotten the Women's model. (
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I'd say you made a super choice. The Defy is one of the bikes I considered long and hard when I wanted an endurance-frame bike. And you go t a great deal on a good model.
But ... you had either better post pics soon or post a doctor's excuse. No one is allowed to post about a new bike without pics. Read the site's Terms of Service. You forfeit your bike if you don't follow through with at least phone shots.