be in someone's good graces

be in (one's) good graces

To be in one's favor; to have earned one's approval or regard. John's been in my good graces ever since he helped get me out of debt. I was definitely not in Mary's good graces for a while after I lost her cat.
See also: good, grace

be in someone's good (or bad) graces

be regarded by someone with favour (or disfavour).
See also: good, grace