0 to do something that is likely to have a bad effect on you or on another person:
You're not well, and you're not doing yourself any favours by taking on extra work.
[ by + -ing verb ] The government isn't doing the families of the victims any favours by hiding the truth about what really happened.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
not do sb any favours