earn brownie points

earn brownie points and get brownie points (try to earn someone’s favor, i.e., a boss or spouse; to get praise or approval for something you have done) — набирать очки (перен.); добиваться расположения у кого-л.;

Example: I thought I might get some brownie points by helping to organize the party. (CIDI) — ... мне зачтется; пойдет в плюс

see also
[make points with sb]
[in good with sb]
[scrape acquaintance with sb]

in one's good books

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The term 'brownie points' is known since the late 1940s. It is often spelled with a capital 'B' when assumed to be in relation to the Brownies (junior Girl Scouts).