How's this story for a reminder that - "we don't know how lucky we are to be alive"

Her name is Katie Kirkpatrick, 21 yrs old.

Next to her is her fiancé, Nick, 23.

This picture was taken prior to their wedding on January 11th, 2012.

Katie has terminal cancer and spends hours in chemotherapy. Here Nick awaits while she finishes one of the sessions...