To cover or not to cover

As you know, there are several aphorisms about bridge. For example, "second hand low" and "third hand high," which are right most of the time. This week, let's look at "cover an honor with an honor."

Today's deal is a textbook example. How does the play go in three no-trump after West leads the heart queen?

South is loath to open one no-trump with a low doubleton, but the bid describes his hand type and strength so accurately.