Self confidence is what gives you strength and you accomplish your tasks, there are some situation when lose your self confidence and you are upset due to it. Some situations makes me upset and I loss my self confidence but I didn't stopped yet because some motivation videos have control over me.

• As you also fulfilled your project by breaking it into smaller parts and completing it which a innovation in your project.
  Moreover, over confidence is good when you have experience in something; like playing cricket or football. Having software knowledge but sometimes it destroys you when you meet a tougher opponent or situation.