It's dialogue that gives your cast their voices, and is crucial in defining their characters.
Stephen KingIf you've ever been homesick, or felt exiled from all the things and people that once defined you, you'll know how important welcoming words and friendly smiles can be.
Stephen KingHe began to cry, not hysterically or screaming as people cry when concealed rage with tears, but with continuous sobs who has just discovered that he's alone and will be for long. He cried because safety and reason seemed to have left the world. Loneliness was a reality, but in this situation madness was also remotely a possibility.
Stephen King