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Right you two! I see :)

Various studies have found that lower levels of agreeableness predict criminal offending ref. , but because you both seem to be extremely high scorers in conscientiousness things get balanced out on that side of things! However, low agreeableness is a consistent predictor of negative relationship outcomes ref.

But, of course, this is just speculation, further evaluation would only be possible if you two had both aspects that comprise this dimension tested. The aspects of agreeableness are:

1)Compassion, which basically tells how oriented towards the problems of others you are. I would think @scienceangel would rate high in compassion. This would, for example, smooth out the overall low agreeableness trait in relationships.

2)Politeness, this one is related to deference to authority and obedience. Based on a comment I once read from @alexs1320 (which he left on a post by nonzerosum) my wild guess is that he would rate really high in politeness too.

Either way, I always find fascinating having this sort of insight about us. Considering that this is accurate and match how you feel as well as what others tell about you. It is, perhaps, time to work on improving this aspect of your life. Should this interest you, of course! :)