"She's always looking to me to see my reaction," said Brown. "I have to be on with her. I have my days when I am not around her. I drive to work and am out of her sight when I have my moments and a break down, but around her I have to be strong."
Those who would like to become bone marrow donors, can go online to DKMS and sign up for a swab kit that will be sent in the mail.
Results are sent to a lab for genetic testing and if it's a match for anyone in the database, including Shannon, the donor receives a call.