How a 1 and a 1 relate
Two 1s bring two engines to the same relationship. Both are natural Leaders, driven, independent, and used to setting their own course, and at 72% they respect each other on sight because each recognises their own fire in the other.
What works is the sheer momentum. Neither waits for permission, neither leans, and together they can start things most pairings would hesitate over. Each also understands the other's need to lead rather than be led, so ambition is shared rather than resented.
Where they stretch is making room for two captains: two strong wills need a way to take turns rather than compete. At its best, two 1s are a powerhouse, bold, self-made, and pushing each other to be larger than either would dare alone.