Songfacts®:

• The title track of Little Mix's first greatest hits album is a new song especially written for the project. The tune celebrates the trio's personal relationship with each other and their fans.
• I swear that we won't lose this thing we found
  'Cause love will never leave us
  Nothing comes between us, between us
  
  The emotional ballad rejoices in the girls' special, lasting bond. "We feel each other's emotions 24/7, we've gone through everything together," said Little Mix's Leigh-Anne Pinnock. "It's about 10 years of friendship and sisterhood and our amazing relationship with our fans."
• Little Mix reference several of their songs in the lyrics. They include:
  
  Remember the day when we finally found our wings
  
  Damn, we got history. In all these sweet melodies
  
  And any time they break us down.
  We bounce back, every track, had your back
• Little Mix's Perrie Edwards, Leigh-Anne Pinnock and Jade Thirlwall wrote the song with:
  
  Frequent collaborator MNEK. The singer-songwriter has writing credits on several Little Mix hit songs, including their 2016 hit "Touch" and "Sweet Melody."
  
  Songwriter Janee "Jin Jin" Bennett (Jess Glynne's "Right Here," Jax Jones' "You Don't Know Me" and Joel Corry's "BED").
  
  The track's producer, Tre Jean-Marie (Craig David's "Got It Good," Nathan Dawe's "Lighter").