Like I said before, we'll never have to do such a thing, it's not possible to sacrifice our eternal life for someone elses sake in eternal life, however, I just wanted to see how far other people who see the pole can go.
Giving up the flesh would be easy as long as I know I will have eternal life, therefore, it is not the greatest measure of love, eternal life would be the hardest thing possible to give up if it could such be, and thats why I think that the ETERNAL life takes the greatest measure of love to sacrifice (if it could be sacrificed).
Heck i'm in a state of mind where I may have quenched the holy spirit and hardend my heart, yet if it were possible, if I had only ONE wish from God, just one, that I also must sacrifice my life for (sell my soul i guess) it would be that EVERY soul that ever lived, lives now, and will live in the future be cleaned of heart and all go to the kingdom of God forever and ever. Of course if I could go to that would be *nice* lol