Big Brother Explains To His Donor Little Brother That He Is A Hero

13-year-old Preston Pipkins got a bone marrow transplant on Valentine’s Day at Children’s Medical in Dallas, and the donor was his 7-year-old little brother, Cameron. Preston has been battling acute myeloid leukemia since last year and his little brother was his only match for bone marrow.

In this sweet viral conversation, Preston explains to Cameron how he is his hero!