You dissolve into whoever you are with
A Pisces Venus running the 7th house gives you an extraordinary capacity to merge with another person. You take on their tastes, their friends, their view of things, and it happens so naturally that neither of you notices it as a decision.
At its best this produces a closeness other people never reach. At its worst you look up after several years and cannot locate a single preference that was originally yours, and the loss happened one small accommodation at a time.
The pull toward somebody who needs rescuing
Difficulty in a person is attractive to you: the talent going to waste, the situation you could help with, the sadness you believe you understand. That instinct is generous and it selects badly. Ask whether they are actually asking for help, since a rescue nobody requested is a project rather than a relationship.
An ideal assembled long before they arrived
You have a fairly complete picture of what love should feel like, built up over years and never checked against anybody. Real people are then measured against it and found approximately wanting. Describe the picture to yourself in specifics once, since a great deal of it dissolves the moment it has to be an actual person with actual failings.
Boundaries that were never installed
Saying what you will not accept is genuinely difficult, so unacceptable things get absorbed and rationalised until the accumulation becomes unbearable. That is not tolerance; it is an absence of a mechanism. Decide in advance, in writing, what you would not accept, since the decision cannot be made in the moment and never has been.
Remaining somebody, on purpose
Keeping a separate life inside a relationship takes deliberate effort here rather than happening naturally: one friendship, one interest, one afternoon that belongs to nobody else. That is not a precaution against your partner. It is what keeps there being two people in the arrangement, which is what they fell for in the first place.
Their account of it becomes your memory
After a disagreement you tend to be left holding the other person version of it, not because you were persuaded but because their certainty was more solid than yours, and later you cannot recall what you originally thought. Write your own account down beforehand on anything that matters, since afterwards it is genuinely no longer available to you.
Do not let the money become entirely theirs
In a shared life the financial arrangements drift toward whoever cares more about them, which is not you, and after some years you may not know what is in your own name. That is a genuine vulnerability rather than a failure of romance. Keep one account and one hour a year with the actual figures, without exception.
Whose plan you are actually living
Look at the past decade and ask which of the large decisions were genuinely yours: where you live, what you do with the days, how the money is spent. A striking number may turn out to have been somebody else's, agreed to rather than chosen. That is not a reason for regret. It is a reason to make the next one deliberately and out loud.
You take on their family wholesale
A partner's relatives become yours immediately and completely, including the difficult ones and the obligations your partner had been avoiding. The generosity is real and it is not proportionate. Decide which of these are actually yours to carry, since nobody is going to hand any of them back once you have picked them up.
Their state becomes your state
When a partner is unwell, low or under pressure you take it on physically, and you may be more affected than they are. That sensitivity is genuine and it helps nobody in that form. Do one thing that is entirely yours on their worst days, since remaining separate is what allows you to be any use at all.