>>>Her left is my right. We have long ago established the custom to show it as in a mirror.
>
>So why can't her there be your here? ;-)

But my here is always there :).

>To avoid the phun perhaps the solution is to point to their face rather than your own (and NOT say you've got some ketchup here?. ) ;)

Like I said, one hand to point to which side, the other on the face to pinpoint the location. With daughters, the other hand suffices.