Based on the quote: "What if instead of one soulmate, there is a select group of people who we meet at various points in our lives, and these people ALL have the capability of becoming our soulmate,

"We are getting farther apart But we're just looking Not holding onto each other At the end of our long relationship Out hearts aren't reaching each other -Soyu ft Mad Clown  Stupid in Love- 

When Irene looks back she gains strength to continue walking forwards.