How did Jesus master his mind & his nature? – by spending 40 days in the desert without eating

In the following video it says: When Jesus began his work, he was about 30 years old. He was tempted in the desert for 40 days In all this time, he ate nothing. People who have voluntarily stopped eating to participate in hunger strikes have died after 45–61 days: https://www.medicalnewstoday.com/articles/how-long-can-you-go-without-food https://www.bmj.com/content/315/7112/829.full Is this not a …