The words that go in the first three blanks are closely related to the word that goes in the fourth blank.

He broke her heart,
And she soon fell apart.
It took a new man
_ _   _ _ _   _ _ _   _ _ _ _ _ _ _ _ again.

HINT:
The fourth word is made up of the first three words, in order

Answer:

TO GET HER TOGETHER

Credit:
The Enigma 
April, 2019
LEXMAN