Re: Cancer in Relationships - stay or go?
Actually, two of anything is the best match unless there are other indicators on the chart, with no variance between the signs. It's both effortless and a hard aspect/non-stagnant by sign. What we perceive in people/too much common sense does not work in astrology. What does work is taking a purely logical structure and then applying it to real life. Astrology is rather counter-intuitive in many many ways.
If two Cancers had a bad relationship, they'd leave, especially if the Suns were in conjunction. When there is conjunction, all the variances would be based on the rest of the chart and have nothing to do directly with their Suns being in Cancer. If there was semisextile, there would be a lot of adjustment required and it probably wouldn't start in the first place with any sign.