You need to be, I suppose. Because by the terms and conditions of your religion, if you're not confident in your belief then you have nothing. And that's got to be scary when you've been trained into thinking you've got something special. allah says hi by the way.
You are currently experiencing a lucky and very brief window of awareness, sandwiched in between two periods of timeless and utter nothingness. So why not make the most of it, and stop wasting your life away trying to convince other people that there is something else? The reality is obvious.