If young persons satisfy their relation needs, of course they would also loose time,
otherwise the relation will end;
if young persons don't satisfy their relation needs, that thing could be almost
always on their mind, with a bitter feeling; time would not be wasted but neither correctly used, and mental energy will be certainly wasted.
I don't think there is a need to encourage Nature, she has its own strength,
anyway I admit I don't know what happens in your Country regarding