I'm afraid to die and live. I stopped being a Christian. I can't believe that anymore. But, now I realize that my life if shorter than I ?

Jesus said you will never die spiritually or physically if you decide to obey all of Jesus' sayings .

Admit you were wrong and start over. This time around, do it by being a Catholic and taking full advantage of two thousand years worth of the finest theology, philosophy and religious scholarship the world has ever known. Do it now, because ... you never know. 

And you don't know what a question is.

Nobody can just say they are a Christian.  You must be born again and unless you are born again you cannot either SEE God's kingdom (John 3:3) and you certainly CANNOT enter God's kingdom unless you are born again of water (baptism) and Holy Spirit (John 3: 3-7).  Once you are born again of water and Spirit, get the minister to lay hands on you and pray for you to receive the gift of the Holy Spirit and then you will know for a certainty that you are born again - that Jesus Christ Himself has washed you from your sins in His own blood (Rev 1:5) and that you are filled with the Holy Spirit and saved.  Then you will never have that negative thought ever again because you will have the assurance of your salvation.

how to deal with it...you are the one who thinks it so stop thinking about it

Despite anything you have heard, nobody really knows what happens after you die.  Heaven and Hell are not physical places.  You make your own heaven or hell here on earth, and I suspect that you go there after you die.

Many religions teach that you will go to hell unless you join their particular sect, but there is no real evidence of this.  God may be perfect, but the Bible, Quran, Bagavagita etc. are not.

This is not an episode of Southpark where all pious priests and rabbis go to hell because they guessed wrong and didn't become Mormons. 

You must do whatever you need to do to face death with confidence.  If your particular sect of Christianity does not give that to you, you need to find another church.

You will be in hell, but you can easily avoid it.  Here is the truth: The Lord Jesus Christ is God. Nobody can be good enough to avoid hell. The truth is that death leads to immediate heaven or hell, depending only on whether the person believed on the Lord Jesus Christ, or not. The truth is that the Lord Jesus Christ loves you and wants to bless your life freely :) Most of all, Jesus wants you with Him forever, and not in hell.

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Believing on the Lord Jesus Christ means being forgiven all sins past and future and means going to heaven. The truth is that every belief except one will lead to eternal torment in the lake of fire for every person. Because nothing pays for our sins except the death and blood of Jesus, the sacrifice of Jesus that is already accomplished by Him . Jesus loves you! The truth is that the Lord Jesus Christ is God, and Jesus died on the cross to pay for all of our sins in full, and then Jesus was buried, and then Jesus resurrected from the dead. Nothing else pays for our sins, not works, not deeds, not religions. So the only way to heaven and to avoid hell, is by believing on Jesus for eternal life (John 6:47), without adding any of your own works (Romans 4:5). Believe in the Lord Jesus Christ to take you to heaven, and you will be in heaven, no matter what, guaranteed. That easy, thanks to Jesus! Tell Jesus that you thank Him that you will be with Him in heaven

No worries . Way more people arrive than leave 

Just because you are no longer a Christian, that is no reason to assume you will cease to exist after death. However, hell is a creation of those who invented Yahweh.

Just because you are no longer a Christian, that is no reason to assume you will cease to exist after death. However, hell is a creation of those who invented Yahweh.

Update:Everyone please report my Corvus Blackthorne clone, he’s stealing all my answers.