Dance music artist Marf accepted an interview with EDM Unplugged, and explained the inspiration behind the song:[2]
We wrote the track before the pandemic. However, I believe that missing people can be a sad thing, but also a great thing of value! It gives us a more important and different look at people whom we miss, and even more on ourselves! That’s why the first sentence says: "Thought that I would find myself but discovered someone else".
Natalie Wicks wrote in the article that "Miss You" is "a sun-kissed upbeat release that is perfect for the changing of the seasons. With an enrapturing melody and a catchy hook" and "embraced by the world".[2] The song is written in the key of A major, with a tempo of 125 beats per minute.[3]