C73 Seventy three

Derek watched dreadfully as the doctor walked towards them, "how's he doctor?"

The doctor shook his head at his question, "he has lost a lot of blood and would need blood Asap or I'm afraid we might lose him"

"No doctor, I can't lose my son"

"The blood of his mom is a no match and were having difficulty seeing his match because he has a rare blood group, but since you're the father then it's