How do I overcome my fear of death?

I’ve been a Catholic all my life. It teaches that there is a resurrection after death and we go to Heaven. I don’t want there to be a reincarnation or the end of life. I want my life to continue in Heaven for all eternity. I want death to be a beginning of a better life in eternity. I hope Jesus and the resurrection is real and not make believe.
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I hope science can prove of the afterlife.
How do I overcome my fear of death?
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