To be in (to get into)someone's good books:
estar numa posição boa em relação a alguém, ser do agrado de alguém, estar bem
em relação a alguém
“Ever
since I helped her son get into university, I've been in Jean's good books
and she's been very nice to me.”
“All you have to do to get into his good books is to agree with everything
he says.”
