Louis was one of the people who helped to cure Olivia. Back when she cut all ties and ran off, she was on the brink of death.

It was then that Colin brought her to Louis.

Louis was one of the best doctors in the world. He wasn't just a medical researcher. He was a medical genius who pushed boundaries.

He was a Mad Doctor.

The only thing he cared about was the results, not the process.

The reason Louis helped Olivia wasn't because of how sad her life was. It was because she was his test