On your own, it would be impossible. But when you operate in the Spirit, you have an ability to overcome whatever you face. The more you draw near to God, the more you will experience the fruit of the Spirit in your life and what a precious gift that is.
“I never came across a person who smiled as much as Prophet Muhammad (peace and blessings of Allah be upon him). Prophet Muhammad (PBUH) regarded smiling to a brother as an act of charity.” (At-Tirmidhi, 3641)