It is not that you have no view about the group
It is not that you are indifferent to what your circle does. Neptune in Libra in the 11th house means your position inside a group forms in relation to everybody else's, so by the time a decision is being made you are holding the balance rather than a preference.
People born within a few years of you share the longing for a perfect arrangement between people. What they do not share is the address — for you it is the 11th house, so it operates on friendship and collective life rather than on partnership.
Where you stand depends on where everybody else is standing
In any group discussion your view arrives as a correction to the imbalance: you argue the neglected side, defend whoever is outnumbered, supply what is missing. It is genuinely useful and it means you have no fixed position of your own. Notice how often you would have argued the opposite if the room had leaned the other way.
Being easy to have around accepted in place of being known
You are welcome everywhere, which is not the same as being close to anybody, and the welcome is so consistent that the difference has never had to be examined. The test is whether anybody in your circle knows what you are currently struggling with. Where the answer is nobody, agreeableness has been doing a job it cannot do.
The hours that go into keeping a group comfortable
Smoothing a disagreement, checking on whoever went quiet, wording the message so it lands well, noticing a rift before it forms — this is continuous unrecorded work and it is a large part of why your groups function. Estimate the annual hours once. It is a real contribution and it deserves to be a choice rather than a reflex.
State one position inside the group, and hold it
Say what you actually want the group to do, before anybody else speaks, and stay with it through the first objection. The first objection is the entire test. You will lose some of the balance you have been maintaining and you will acquire something you have never had inside a circle, which is a position of your own.
Everybody's friend and nobody's first call
You are close to many people in your circle and top of nobody's list, partly because being everyone's friend requires a neutrality that prevents anybody from claiming you. That is a real cost and it is not obvious from outside. Choose two people and be visibly partial to them. Preference is what makes a friendship rather than an acquaintance.
The future you want depends on who you asked
Your picture of the years ahead reorganises according to whoever you last talked to, which makes you open to persuasion and leaves you with no settled direction of your own. Write down what you want before your next conversation about it, and keep the document. It is the only version not adjusted for somebody else's enthusiasm.
The circle had an opinion before you had a chance
Anyone you become involved with is assessed by your friends within weeks, and their verdict reaches you and carries more weight than you would like to admit. It has ended at least one thing that deserved longer. Keep the first months out of the group entirely. What you think unaccompanied is worth establishing before the collective view arrives and settles it for you.
Unresolved friction in the group affects you physically
A falling-out among people you care about will disturb your sleep and appetite even where you are not involved, because the imbalance itself is what registers. You cannot resolve other people's disputes. What you can do is stop attending to them: name it as their difficulty rather than yours, out loud, and let it stay unresolved without your supervision.
You paid more than your share to avoid the conversation
In group finances — the trip, the shared cost, the thing split unevenly — you round in everybody else's favour and absorb the difference, because raising it would introduce accounting into something friendly. Over years with the same people it is a considerable sum. Say it once, lightly, and let the arrangement correct itself.