Songfacts®:

• This vibrant, house-influenced track celebrates self-love and discovering inner strength.
  
  "'High' is a song I wrote about finding a friend within myself," said Smith. "Even through the lows, you have to find the highs."
• The song opens with a confessional tone as Smith reaches out to a friend going through a similar journey of self-reflection. Smith unpacks the complexities of the strained relationship, acknowledging both her and her friend's shortcomings.
  
  "The one thing that you'll need to know before you press play on it is that I actually wrote it about falling out with one of my friends," Smith told BBC Radio 1's Jack Saunders.
  
  Smith and her pal reconciled and their friendship is now stronger than ever.
• The chorus is a declaration of independence and optimism. Smith's newfound self-love is the ultimate high, a feeling that can't be replicated or replaced. She's found strength within, even when faced with challenges and setbacks.
  
  Smith admitted to Saunders that growing involves learning lessons. "I want to grow and grow as a person grow older, but I don't want to trip and get lost and things and stuff, but it's kind of inevitable," she said.
• Smith wrote the song with singer-songwriter Maverick Sabre (real name Michael Stafford). Sabre is best known for his hit single "Let Me Go," which reached the UK Top 20 in 2011.
• Smith and Sabre wrote the lyrics to a beat created by the production duo DAMEDAME.
  
  "It's amazing that I get to make music with my friends," Smith told Saunders. "So it's produced by DAMEDAME and then I wrote with Michael Stafford. I'm just having conversations with my friends and then ended up writing about what we're talking about. So I think that's how I just staying very in touch with just myself and doing it for me."