Family is the most important thing. Though they can get on our nerves, we need to step up when our family is in need.
But this young boy was willing to pay the ultimate price for his sister...or at least what he thought was the ultimate price. His sister has a rare disease that required an operation. She desperately needed O-blood, but there was none available. That's when this little boy stepped up to the plate.
Check out this post that Dr. Jim Clark posted on LinkedIn. It will definitely make you feel all the feelings. His willingness to save his twin sister is so heartwarming!