Responsible = able to choose your response.
Being responsible for your life means both being responsible for the things you do and also for how you react to the things which happen to you.
It’s too easy to adopt a victim mentality or to point the blame at others if things don’t work out, but it’s only when you take responsibility for situations that you are in a position to change them.
This article from Motivation Grid looks at 7 ways to take full responsibility.
It’s all on you.