So here's what I see:
It's not a t-square, but a square between Venus, which sits on your midheaven in Aries, and a conjunction of Uranus, Neptune, and Saturn in Capricorn. The energies of those signs are very different. Aries is quick and impulsive. Capricorn is slow and practical. As a person with both of those signs highlighted, you have both of those sets of traits. Part of you wants to jump right into anything and everything, act on impulse. Another part of you is very cautious and practical and doesn't want to do anything without first thinking it through and covering all the bases.
The house placements of those planets show us which areas of your life are affected. The midheaven is your public reputation, how you appear to people who've heard of you or perhaps met you briefly but don't really know you. It also represents your career, in the sense that most of us have our reputations shaped by our careers: she's a screenwriter, he's a tax attorney, etc. Your Capricorn planets are in the sixth house, which represents vocation and service. The main message of the sixth house is how you can best serve society, and what kind of environment you need to do it in. In practical terms, that represents the kind of job and the kind of working environment you need, and your approach to work.
All of the planets you have in square have messages involving work, career, and your role in society. You have two sets of competing impulses there: Capricorn's "go slow and cover all the bases" mentality, along with Aries' "just bring it on!" mentality. If you try to take both approaches to the same task at once, it will never work, because those approaches are appropriate for different kinds of tasks and different situations. But you could do very well in a job that requires both kinds of tasks. Perhaps glamorous Venus in impulsive and competitive Aries would be good for going after clients and drawing them in, while practical Saturn in practical Capricorn would be good for completing administrative tasks. Uranus and Neptune teaming up with Saturn could give you an innovative and intuitive way of handling the practical side of the work.
None of that says anything about your love life. For that, we look to the seventh house (and possibly to the fifth and eighth). For a partnership message in particular, we look at the sign(s) and planets in your seventh house. You don't have any planets in your seventh house, but its sign is Capricorn, and that right there would explain why romantic love isn't coming so easily to you.
Capricorn is the slow, practical, "get it right the first time" sign. With Capricorn shaping the seventh house, you're likely to have a deep need for commitment in love, for solid boundaries within relationships, for equality and respect within a relationship, and for your partner to be exactly right for you. People who seem to have love coming to them easily aren't necessarily experiencing such perfection in their relationships, they just have greater tolerance for less compatibility.
You also have your moon in Capricorn, and involved in that Venus square. Moon and Venus both say something about your approach to love, and what you need from it, no matter where in your chart they're placed. An Aries Venus might be inclined to fall in love quickly and easily, but a Capricorn moon says wait a minute, I need it to be the right person, and I don't know about this one yet! So those two messages compete in your psyche, leading to the frustration you're expressing in this thread.
