You may have fallen in to the sun but for some reason you didn't actually die. At that moment your body reacted and the dormant genes inside of you that you didn't know about awoke to grant you the ability to withstand such an environment without harm.
I carve up my body and remove my organs one by one until I am most definitely dead.
"Confront them with annihilation, and they will then survive; plunge them into a deadly situation, and they will then live. When people fall into danger, they are then able to strive for victory. "