What is the most defining moment of your life so far?

Life teaches us so many lessons in every chapter of our life and it happens through some defining moments in our life. There are some defining moments in my life that taught me the actual reality of life. let me share them with you guys: Admitting to having a suicidal tendency and overcoming, seeing a elder woman taking her last breath in front of my eyes, my grandmother's death and knowing that I am the only person I can truly trust or rely on. These moments teach me some valuable lessons in a very hard way. Guys, now it's your turn, let's share what is the most defining moment of your life so far?