Since most deaths happen suddenly and in a moment, "see then that ye walk circumspectly, not as fools, but as wise, redeeming the time because the days are evil" - Ephesians 5:15,16. It is only a few people, like one of the thieves on the cross that may have an opportunity to make their ways right with God, just before death. Most people die either accidentally or in their sleep, taken away unexpectedly.
Beloved, do not give place to the devil to reign over you. It is what you allow that will eventually have dominion over you. The devil will always come to you with evil suggestions, but he cannot invade your life until you let him in. The devil succeeded in deceiving Eve, and got her and Adam to eat of the forbidden fruit, thereby disobeying God. Eve was overcome because she engaged the devil in a conversation instead of resisting him.
Are you a Christian? Be a Christian in deed and always. Although you are in the world, you are not of the world. Walk as one who has received Christ and has therefore become the temple of God. Walk by faith and not by sight. Let the Word of God direct your steps so that sin will not have dominion over your life.
Walk triumphantly as one who has overcome the world in Christ.
You can tell whether someone is a Christian or not by their life: a good tree cannot bring forth evil fruit, neither can a corrupt tree bring forth good fruit. Genuine Christians live and walk in the Spirit. They walk circumspectly, not allowing sin and the flesh to have dominion over them. They are true Christians that demonstrate an active life of charity toward others. Are you a true Christian?
The promises of God are yea and amen in Christ Jesus, but anxiety and worry will hinder their performance. When there is a need, God wants us to pray, believe that we have received, and then patiently wait for the manifestation of His power. God is not a man that He should lie. The Lord will always do whatever He has promised any of His children. Let not your heart be troubled if you believe in Him.