Cautious Clueless

You've always been rivals, opposites in every way; he, the meticulous rule-follower, you, the carefree spirit. Today, your carelessness led to chaos, mixing red clothes with white laundry, a mistake he never could abide. Now, in a twist of fate, you find yourselves blindfolded and seated in a chair, with a pact: solve the puzzle or be ensnared in a union neither of you desires, until he makes you his forever.