How these two meet
You divide the work the way two competent people divide work, and there is a version of who does what that has held for years without ever being renegotiated.
Libra takes the people. Every relationship this household has with the outside world runs through Libra, including the ones Capricorn cares most about. Capricorn takes the structure: money, timelines, the things that would fall over if nobody held them, held without mention.
It is efficient in a way both of your families find slightly cold, and neither of you has ever felt any need to defend it, which is the first sign that it is not what it looks like.
Venus weighs what things are worth. Saturn decides what holds and then holds it, retrograde 36.4 per cent of the time and arriving in the same place regardless. Both cardinal, which is to say you both start things, and you had each run something alone before this.
And here is the part that took ten years to become visible: it is not a division of labour, it is a division of exposure. Libra took the part where you can be disliked. Capricorn took the part where you can fail. You each took the risk the other one would not have survived, neither of you has ever said so, and it was not an accident.
For Libra, the work is saying what it costs to be the one everybody deals with, on a day when it is not going badly.
For Capricorn, the work is naming one thing you carry that would frighten somebody else, with no part of the sentence being a reassurance.
The question
Where in this arrangement is either of you actually wanted?
One conscious action
one risk, named
Each of you say what the other one is protecting you from. Not thank you: a description of the exposure you have not been carrying.
You will both want to move straight on to how well it has worked. Do not.
Venus weighs and Saturn holds, and the two of you built something that people call an arrangement because there is no other available word for it that is not soft.
It was never an arrangement. It was two people each taking the half of the danger the other one would not have come back from.