You can only make heaven by faith

Mark 10 vs 15 Verily I say unto you, Whosoever shall not receive the kingdom of God as a little child, he shall not enter therein.

You can only make heaven if you believe it just as the world of God says.
It is for this reason that Jesus Christ says, ‘Unless you behave and believe like a little child, you cannot enter the kingdom of heaven.’
A little child believes the word of his father without questioning or querying it.
If you believe in God, and the word of God says there is heaven, you must also believe that heaven is real.