We say things like, "Well, that's just the way I am," or "I could never do that," or "You don't understand, I'm not..." And on and on the excuses go.
It's okay to be honest about who you are, but as Jim Rohn once observed, stop turning your faults into a virtuous excuse. Don't give in to it.
Recognize what you need to accomplish and what it will take to make real change. Only then, can you begin to make real, honest improvements.
Only then can you really succeed.