Mental resiliency or mental toughness is an attribute that allow a person to persevere through difficult circumstances.
Go to a running track if possible.
Mental Resiliency workout is:
40 Air squats-Make sure you have good form! Ass to the grass, followed by full hip extension.
400 meter run
rest 90 sec. x4
Here's the kicker-you must get every 400 meter in under a 1:40, if not then you have 2 more sets.