Perhaps at this time he could afford to be less driven and more human, because he saw that his grand obsession was not going to be fulfilled in his natural lifetime. When I asked if he still hoped to be cryopreserved, he shrugged. “I no longer think it’s going to work,” he said, “but I’m going to do it anyway.”
Saul Kent’s Grand Obsession: A Personal Memoir
https://www.biostasis.com/saul-kents-grand-obsession-a-personal-memoir/