RichThesaurus
in one's (best) interests
vs
savvy
in one's (best) interests
savvy
noun
Shrewdness.
adj
Shrewd, well-informed and perceptive.
verb
To understand.
How often have the words
in one's (best) interests
and
savvy
occurred in a corpus of books?
(source:
Google Ngram Viewer
)