Songfacts®:

• Walker Hayes and his wife Laney have been together since high school. The idea of this soulful song is if Hayes should leave this planet before her, he wanted to help the next man who comes along.
  
  We always said we'd go together
  But if I'm just half of her forever
  This goes out to whoever
  Takes my place
  
  Hayes goes on to list some of Laney's likes, dislikes and personality quirks
  
  Don't you dare come home if you're hammered
  Better watch your mouth and your grammar
  She loves babies, hates glitter
  You better shave before you kiss her
  And if she ever misses me, please, don't let her
  
  The lyric explains why you'll never see Walker Hayes with a beard.
• The song originated when Hayes was touring the UK and missing Laney and the rest of his family. The singer explained in a press release that he started jotting down specifics about his wife, "things that if somebody were to hang out with her, what would they need to know about her." Shortly after, he put those thoughts to music.
• During Live in the Vineyard Goes Country 2019 in Napa, California on May 14, 2019, Hayes explained that he co-wrote "Don't Let Her" with Shane McAnally and Andrew DeRobert at a time when he was really struggling with the June 2018 death of his newborn daughter Oakleigh. The idea for the heartwarming song was inspired by the idea of loved ones moving on after we're gone.