In relationships, this person tends to fall not for a body or even a temperament, but for a way of thinking. A partner hooks them with an unexpected line, sends a link to an essay, argues without sulking — and Mercury in Aquarius is already engaged. Looks, status, day-to-day compatibility tend to come round on a second lap, and sometimes never come up at all. In my experience the real difficulty here isn't the choosing; it's the style of closeness. This mind tends to express love through an exchange of ideas, while the partner is waiting for ordinary human warmth.
At home, this placement rarely warms to the "let's talk about our feelings" conversation. It comes more easily to discuss how the world is put together, to fire off a meme about some new theory of consciousness, to write a long message about a book. When a partner turns up hurt, the instinct tends not to be "come here" but "let's work out why this happened". That difference in how closeness is offered is, more often than not, the main source of tension in the couple — especially if the other half comes from a more emotionally expressive family.
Partners tend to be sought, half-consciously, on the same frequency. The cosy, slow conversationalist can land in the "boring" box quickly, however perfect they look on paper. It works best when the other person has their own field of interest and their own pace. With that, the relationship tends to find a lively, cool sort of rhythm: plenty of ideas, plenty of space, very little drama. None of this is fixed in stone — it's a pattern worth noticing in yourself, not a script you're bound to follow.
The weak spot is everyday closeness. I'd suggest making it a rule, once a week, to ask the partner not a clever question but a plain one — how was your day — and to listen to the answer all the way through, without slipping in observations about patterns. It tends to clear away half the grievances that otherwise build up over years and then come out, all at once, in a single sentence.
