In your opinion what causes christians to believe in Jesus

[awty]

The resurrection can be the most appealing proposition on earth and still not offer any solace to anyone afraid of dying. It's not even the only way of getting to heaven, since the Bible tells several stories of individuals being translated directly to heaven without ever dying, like Enoch and Elijah.

Why the obsession with the fear of dying?  

You are just throwing things at the wall here to see what might stick.  Like so many others, you need to read the room.