It is a common response to someone saying something like:
* "Good morning"
* "Happy birthday"
* "Have a nice day"
It expresses that you feel the same way or wish the same for the other person.
It is a common response to someone saying something like:
* "Good morning"
* "Happy birthday"
* "Have a nice day"
It expresses that you feel the same way or wish the same for the other person.