in favor (of someone or something)
approving, supporting, or endorsing someone or something. Are you in favor of lower taxes? Of course, I'm in favor.
in someone's favor
1. to someone's advantage or credit. (Especially in sports scores, as in the examples.) The score was ten to twelve in our favor. At the end of the second half, the score was forty to three in the other team's favor. 2. *in someone's favor liked by someone; approved of by someone. (*Typically: be ~; get [into] ~.) John might be able to help me. I hope I'm currently in his favor. My mother is mad at me. I'm certainly not in her favor. I'll try to get into her favor.