Communication plays a significant role in every aspect of our lives, whether we realize it or not. However, have you ever wondered how important is what we say and how we do it? Going deeper into this: have you ever thought using some language forms could be violent? In this article, I would like to show how the language we use influences building our relationships, engagement, the ability to resolve conflicts, and, finally, how it determines the IT project's success. On the way to better communication and conflict resolution, I will show how the NVC framework works, which can be a solution to better understanding each other.