You do not join things, you commit to people
A Scorpio Venus running the 11th house gives you a social life that is small, deep and entirely personal. Belonging to a group as such means very little to you; being bound to two or three specific people within it means everything.
So the crowd is background. You will attend, be perfectly civil, and remember almost nobody, while the friendships you do have run at a depth that other people reserve for family. That is not antisocial. It is a different unit of measurement.
Groups are watched before they are trusted
You notice the hierarchy in any circle within about an hour: who defers to whom, who is being quietly excluded, what the group actually rewards. That reading is usually correct and it keeps you at the edge of things. Join something properly once anyway, since permanent observation is safe and it is not the same as belonging.
Loyalty tested before it is handed over
People become your friends by having behaved well when it was inconvenient, and the assessment is silent and ongoing. Those who pass receive something exceptional. Those who fail are dropped without explanation and frequently without noticing, which is efficient and occasionally unfair to somebody who had one bad month.
When a friendship ends here, it ends
A serious breach is not survivable, and you will remove somebody from your life completely rather than manage a diminished version. That decisiveness spares you a great deal of low-grade unpleasantness. It also removes people who might have been recoverable, so wait a season before the final act, since the impulse is strongest in the first week.
You want the group to be about something
Purely social gatherings leave you cold, while a circle organised around a real purpose, a cause, a craft, a shared undertaking, holds you for years and gets the whole of your effort. Choose company on that basis rather than on who happens to be available. Your attempts to enjoy ordinary socialising have never once worked, and there is no reason left to keep making them.
The group sees it before either of you admits it
Whatever is happening between you and somebody in your circle is legible to everybody else long before it has been spoken, because you cannot do casual and it shows in how you attend to them. Assume you are concealing nothing. That changes the arithmetic: the discretion you believe you are exercising is not available here, so plan on that basis.
Very few, and told almost everything
The two or three people who have got in receive a candour nobody else in your life is offered, and most of them have no idea how unusual that is, because you have never described the difference. Say so occasionally. Being told that they are among the few is not something anybody can infer from the outside, and it changes how carefully they hold what you have given them.
Introductions from people who owe you nothing
Your professional opportunities arrive through a handful of individuals who have seen you do something difficult, rather than through any broad network. That is a small mechanism with a high success rate. Keep it alive with occasional contact when you need nothing, since it depends entirely on people remembering rather than on being reminded.
Ventures with people, not with strangers
You will put money into something because of who is running it rather than because of the numbers, and your judgement about people is generally sound. Get the terms in writing anyway. The friendship survives a document far better than it survives an argument about what somebody remembers having agreed.
Being part of something without disappearing
The wish to belong is genuinely present here and it is buried under a habit of watching from the edge. Test it once: commit visibly to a group, contribute openly, and stay long enough to be counted as a member. The result is usually far better than your caution has been predicting.