Oddly, inconjunct relationships and Sign pairings can also indicate very strong attraction, but in that case, it's often more one sided. This is because it has a natural 6th-8th House connotation. The Sign/Planet combo that is acting as the one "capturing the other Planet's in their 8th House" often has a very intense magnetic draw for the other person.I'll do a quick write of up these connections.
Strong Aries is attracted to strong Virgo in that 8th House kind of way.
Strong Taurus is attracted to strong Libra in that 8th House kind of way.
Strong Gemini is attracted to strong Scorpio in that 8th House kind of way.
Strong Cancer is attracted to strong Sagittarius in that 8th House kind of way.
Strong Leo is attracted to strong Capricorn in that 8th House kind of way.
Strong Virgo is attracted to strong Aquarius in that 8th House kind of way.
Strong Libra is attracted to strong Pisces in that 8th House kind of way.
Strong Scorpio is attracted to strong Aries in that 8th House kind of way.
Strong Sagittarius is attracted to strong Taurus in that 8th House kind of way.
Strong Capricorn is attracted to strong Gemini in that 8th House kind of way.
Strong Aquarius is attracted to strong Cancer in that 8th House kind of way.
Strong Pisces is attracted to strong Leo in that 8th House kind of way.
It is these patterns more than most that can correspond and correlate with those oh so painful, unrequited "love"/attachment patterns. Because the Sign on the other side is usually a lot more "meh", and at best they try to be of helpful service to the other. Well to some extent, 5th House connections can relate some too to this unrequited, but these tend to be a bit more mutual than the 6th-8th Sign combos.
Lighter charts, energies, and charts though, sometimes don't like the feel of these kind of 8th House type patterns. It's too intense, heavy, binding, and/or unconsciously disturbing for them. People with strong Scorpio, Pluto, and/or 8th House tend to LOVE these kinds of connections.