It's half finished projects, starts that go nowhere, or finished work that no one gets to see because you don't think it's good enough. For some it can lead to real trouble with mental health and living a fulfilling life.
Meghan Markle admitted on national television that she was suicidal during her time spent behind the machine of the British Royal Family.
This is just the tip of the iceberg but in my youth I felt life was meant to be lived and believe me, very little stopped me. I'm fortunate in that I'm still here to tell you about them.