This is a hard question... not because the truth is hard
but because it is hard to explain in a form that is linear, with most people believing a huge perversion of what was the Holy Word.

Reincarnation was written out of the Bible, and so, what was left in doesn't make much sense. It seems disjoint.
You cannot make one whole out of all the pieces.

Not without getting some insight from on high.

The thing is, from God's point of view, what we are doing here is playing a huge game. Like an immersive video game.

God still loves all of his children no matter what they do.
However, evil destroys (your life, the world, your soul... everything), good builds more universe.
(and this is one of the best definitions of good, because else you get stuck in a holier than thou loop)

And so, asking for Jesus' forgiveness is an important first step in turning your life around.
Only through that mercy can one still stand after they see all the pain they caused.