Because a break-up can be
dangerous in love-triangles.

Everyone has a story, and so has Devansh.
Everyone dreams someone, and so does Avantika.
Everyone does something sillyto repent on later, and so has been done by Zainab.

"IF AT ALL", in an unusual format of literature opens up benevolence,
respect, sacrifice and love that all three of them shares for each other,
which eventually gives a filmy touch to the story to make your hearts
empathize, sympathize, and cry for the characters as the story runs on.