That's a little off topic and I think you can probably find some relevant articles on the web but I remember reading about that before. As I remember, matching

That's a little off topic and I think you can probably find some relevant articles on the web but I remember reading about that before. As I remember, matching openness is pretty important for compatibility purposes, for neuroticism the important thing is that one or both scores are low, and for the others there are various advantages/disadvantages to matching up.