Daas Yichid, we are really looking at the same idea semantically differently, though I really do believe that just as Tzedaka is not charity, neither is a favor necessarily chessed, though it may be a chessed to do a favor for someone. When the favor ceases to have kindness and thoughtfulness as well as a full heart behind it, though it still may be doing a favor, it simply does not have (for me, anyway) the same connotation as a chessed. Chessed comes from ahavas habrios. A shrewish woman breaking up with a guy because he is not rich enough to suit her, is doing him a favor. Wait, scratch that, it might actually be a chessed 😉
Never mind.