Carrying it has always been assumed
The South Node crowns your 10th house, so responsibility came pre-installed: you were handed the role early, you held it, and people have relied on that ever since. Being off duty is the untrained part. The growth here is a private life with nothing to show for it.
Your days are organized around outcomes. What you did is far easier for you to describe than how you are, and the second question tends to catch you off guard.
Authority that never had to be built
You can take charge of a situation without effort or announcement — the plan appears, the decisions get made, and people follow. Others acquire this over decades and some never do.
Use it without letting it become the whole identity. The competence is real; the belief that you are only welcome when you are running something is not.
The role as a place to stand
When something personal gets uncomfortable, another responsibility appears and you take it. It is always defensible, always useful, and it has occupied years that were asking to be spent otherwise.
Notice the new commitment that arrives on a difficult week. Your growth is at the foot of the chart, in the 4th house, and it requires being somewhere without a function.
Competence turned inward
The capability is not the issue. What it has never been applied to is your own private life: the home, the relationships, the rest that has no deliverable attached to it.
Plan a personal thing with the rigor you would give a professional one. It works, and finding that out is the whole point.
Known for what you do
People relate to your competence, including the ones who love you. That is partly circumstance and partly a arrangement you built, because being useful has always been safer than being known.
Let one person see a week where nothing went well. The relationship survives it, and something changes in what it is capable of holding.
Success has not been the difficulty
You are good at this and have probably been rewarded for it since early on. The question worth asking is not how to advance further but what the advancing has been in place of.
Take a period where the career does not improve and see what fills the space. That answer is more valuable to you now than another promotion.
Turning up as a person
At home you tend to arrive as the capable one: solving, providing, handling. The people there have rarely met the version of you with nothing to offer, and they would probably prefer them.
Spend an evening with your household contributing nothing but presence. It is genuinely difficult, and it is the specific thing this placement has been asking for.