It has to be between equals or not at all
The 7th house gets the Aquarius version of good fortune: the partnerships that enlarge you are the ones where neither party is in charge, and any imbalance closes the whole thing down. Being managed is intolerable. What this needs is somebody who wants the same arrangement rather than one you are talking into it.
Almost everything good in your life has arrived through people who were friends first, and the transition into something else happened without either of you announcing it. That is the mechanism here and it is unusually durable.
Terms negotiated rather than assumed
You will discuss how a relationship is going to work rather than inheriting the standard arrangement, and the conversation happens earlier than most people expect. It is honest and it filters heavily. Keep doing it, and be willing to hear an answer you had not planned for, since a negotiation with only one acceptable outcome is not a negotiation.
Independence held inside the arrangement
However committed you are, a separate life continues: the friendships, the interests, the hours nobody is accounted for. It is not a reservation about the relationship. Nothing about that changes once the commitment is made. Say that plainly, since a partner who reads your independence as distance will keep looking for the moment you commit, and the moment already happened.
Detachment mistaken for indifference
In a difficult conversation you become calmer rather than warmer, which is genuinely useful and reads to the other person as not caring. The composure is real and so is the feeling underneath it. Say the feeling out loud during the calm, since it is entirely invisible otherwise and your manner is doing all the reporting.
You will not fight to keep somebody
If a person wants to leave, your instinct is to accept it on principle rather than to argue, and you have let two things go that would have survived a conversation. The principle is admirable and it is not always correct. Say once that you would rather they stayed, since you have never done it and they had no way of knowing.
Your closest bonds began as friendships
The people who matter most in your life were friends before they were anything else, and the change was gradual enough that neither party can date it. That is the reliable pattern here. Take the friendships seriously as the foundation they are, since your significant attachments have never once begun any other way.
You would rather split it than manage it
Shared finances get divided into clear halves and left alone, because joint pots require constant discussion and you would rather have the independence. That is a workable arrangement with one gap. Two accounts and a standing transfer has settled more arguments than any discussion could. Agree what happens to the large shared items, since the division works perfectly until something has to be owned together.
You want to be left some room
A relationship that requires continuous contact and full disclosure of your movements will not survive with you, however much you care about the person. That is a requirement and not a stage. Say it before it becomes an argument, since the same conversation held early is a preference and held late is a rejection.
Your partner joins the circle rather than replacing it
Whoever you are with becomes part of an existing network rather than a separate arrangement, and you have never much understood couples who withdraw into themselves. It keeps everything open and it leaves an ending unusually complicated. Agree early what happens to the shared people, since the conversation costs nothing now and is impossible later.
You do better with a collaborator than a manager
Working alongside somebody as an equal produces your best output, and the same person placed above you produces almost nothing. The distinction is not about the individual. Ask how any working relationship will be structured before you agree to it, since for you the structure decides the outcome more than the person does.