How could a loving God allow pain and suffering?

How could a loving God allow pain and suffering? from the Tough Questions video series
Additional Resources:
* In the book “The Problem of Pain”, C.S. Lewis, one of the most renowned Christian authors and thinkers, examines a universally applicable question within the human condition: “If God is good and all-powerful, why does he allow his creatures to suffer pain?” - https://www.amazon.com/Problem-Pain-C-S-Lewis/dp/0060652969
* Got Questions Ministries - Q. Why does God allow the innocent to suffer? - https://www.gotquestions.org/innocent-suffer.html
* Got Questions Ministries - Q. Why does God allow evil? - https://www.gotquestions.org/God-allow-evil.html