Writing the relatable human side of characters

How can a writer let humanity flow in their stories? How does a writer share the human touch that the readers need? If people are not relating to you humanly, there may be something missing in the relationship for them. Therefore, the “human side” must naturally flow when one is only using words in writing. It is about being real and transparent. Being human is being real to the core (not having to show that all the time). Ideally, I am not pretending to be human for the sake of getting published (it won’t work and the editor will notice), but to be honest, while sharing those relatable human traits (liking coffee at 7AM) that make the reader relate while the emotional pull makes them empathize with somebody real.