more power to you
More power to you means good for you, or when someone says a secret or something respectable you say thus
Example:
"I really like this kid named Timmy, don't tell anyone ok?- Gianna.
"More power to you Gianna" - josh
"I really like this kid named Timmy, don't tell anyone ok?- Gianna.
"More power to you Gianna" - josh