To be or Not to be

I am in a confuse state of mind. Whether to go for it or just leave it alone.
Sometimes, I feel confident but there's time when I feel helpless.
A part of me want to move on, to have some changes in my life. I feel un-motivated lately. But the fear for uncertain future always haunting me. Will it be better or will it be worst?
What will I be gaining or what will I be loosing? Currently, all is in a ratio of 50:50. So many questions and no valid answer.
8 years is a long time but career wise not much is developed. However, in 8 years there's friendship, culture and surrounding that was already blend in that will be hard to leave behind.
Alas, I need change for the better! The question is will it be better? If I don't take the first step, I will never go forward.
So what will it be? You know what I am babbling about right? I bet you do.