the phone works both ways
An infamous line used by elders & parents frequently in order to push the responsibility to maintain a healthy relationship between the two.
Example:
child: grandma ! i haven’t seen you in so long
grandma: well the phone works both ways though kiddo.
child: *thought* what ??
child: grandma ! i haven’t seen you in so long
grandma: well the phone works both ways though kiddo.
child: *thought* what ??