Crossword puzzle clue "yours may be adopted"

1930s anti-marijuana propaganda film that ends with the principal of a school saying, "The next tragedy may be that of your daughter...or your son...or yours or yours..." [points at the camera] "... o

Yours and yours only

You may need to clean yours up

You may not want to show yours

May 16th for yours truly, for short

Yours may be floated