The end result is still probably a favorable number, even if that means one of them is essentially meaningless

There's probably an entire subset (words or modifiers, or both) dealing with sexual partners and married couples, which Bren wouldn't know due to atevi reticence on such things, so the numbers may well come out favourably. :D

Actually, the same could be said regarding parent/child relationships, since that's another area where atevi are exceedingly tight-lipped, and we know it involves some major shifts in man'chi over the course of the child's growth. Lots of potential for betrayals there!