Sixes are the restoration of balance and harmony after the upsets of the fives. These cards predict an exchange, a give and take that results in a new equilibrium. It may not last, but for that moment, everything is stable. With this card, there is an almost "Ah-HA!" of recognition as if you've found a solution, and more than a little awe at its perfect symmetry.
If you connect the sixes to the Lovers card you'll see how it works. Like Gemini, you recognize your twin, your soul mate, your equal. Maybe you didn't even know how uneven, how lopsided your life was, but now that you've met this person or thing your inner balance is restored. Here is the give and take that the cards say you need to achieve harmony.
Learn the Sixes meaning in reversal in our reversed card meanings.