Clue: The way Helen leaves Ovid hero (4,4,5,2,4)
Answer: HEAD OVER HEELS IN LOVE
Explanation: Definition: The way Helen leaves Ovid hero
An anagram ('the way' – I've seen stranger anagrinds, and it gives a neat &lit, even if Ovid is not the first poet to come to mind in this connection) of 'Helen leaves Ovid hero'.