Get the tissues.
According to The Associated Press, Sean and Christine, a couple from Pennsylvania, have moved the date of their wedding ceremony so that their son can serve as their best man.
Via: Eric Schmadel / AP
Logan suffers from Fanconi anemia, a rare disease that often causes cancer. He was diagnosed with Leukemia when he was 14 months old.
Via: facebook.com
Last March, Logan lost one kidney to a tumor and now a mass has been discovered on his other kidney.
Via: facebook.com
Last week, doctors told Sean and Christine that Logan only has two or three weeks to live.
Via: facebook.com