There are several songs with the title "What Matters Most," so the lyrics may vary depending on the artist. Here are some of the lyrics from the different versions found in the search results:

• Kenny Rankin: "Its not how long we held each others hand / What matters is how well we loved each other / Its not how far we traveled on our way / Of what we found to say"
• Ben Folds: "I could not see the haze back in the day / When we lived inside of it / Now Im floating away / And haunting the halls night and day"
• Ty Herndon: "I thought I knew the girl so well / If she was sad, I couldnt tell / I missed the point, I missed the signs / So if shes gone the fault is mine"
• Kenny Rankin (different version): "Nobody can replace you / Thank you for loving me when we were together / Regrets, yes there is / But too late, we separate ways / Now we both belong to somebody else"

Its important to note that the lyrics may not be the same for every version of the song, and there may be other songs with the same or similar title.