I have an urge to fake my own death and reinvent myself as a new person.
Why would you want to fake your own death?
I want to leave my worries and issues behind and start a new life
Well, you can't keep running from your problems, so this isn't a solution.  Furthermore, it would be devastating to your loved one's if you disappeared without a trace. Please try and think of their sorrow.
Whatever, my job will remain the same so no one will have to be upset.
I don't think you quite understand what I'm saying.  Yes, you might be able to start over again in the same job somewhere else, but the people who love and care about you here and now will think that you have died young.  They will be devastated, even if you get to start over.