Who sings the song with lyrics about a man and woman?

The question does not specify any particular song or lyrics, so it's not possible to provide a specific answer. There are many songs that feature a man and woman in the lyrics, and the artists who sing them vary widely. Some popular examples include:

* "Shallow" by Lady Gaga and Bradley Cooper

* "Perfect" by Ed Sheeran

* "Thinking Out Loud" by Ed Sheeran

* "All of Me" by John Legend

* "Marry You" by Bruno Mars