I don't understand most of the christian here who claim they know God and Jesus but still doubt. You can't be a born-again christian, you have to be from another religion who worship idols. Why is it so hard to believe the one who created you and the one you died for you? Get saved, truly, truly accept Jesus Christ as your Lord and Savior and repent. The reason I said you are not saved by grace because you don't have peace. I'm guessing, you're catholic.