Life isn't easy. Everyone has their own issues, problems, scars from childhood, shames, fears, and hopes and dreams. We carry these with us through life, and, in many ways, they govern how we feel and behave. Regarding our relationships in life and how we feel about ourselves, it is often beneficial to share the load.
When we act up from time to time, which we all do, it can be useful for other people to understand what's happened to us and what may be triggering, so they can have a little empathy, and so that they might better know how to deal with us in the future. Vulnerability isn't avoidable in life, and for some good reasons. To learn about the benefits of being vulnerable, click through this gallery.