"May you" is the beginning of a good wish: "May you always have sunshine in your life all of your days". "You may" is a permission: "You may select whatever item you want from the prize table".
Day and Night the sun a swimmer a tide
because when the earth was made god said 'MAY this world be peaceful and all that inhabin this precious wonder'
No that is not true.....the truth is misty and ash kissed in an episode of Pokemon called"a kiss under the mistletoe".......it's misty and not may
The month of May is devoted to the Blessed Virgin Mary.