A true true friend helps a friend in need to see the light that shines from a true true friend['s blazing minigun]!

Sources:

"Meet the Medic" by Valve Corporation
http://www.youtube.com/watch?v=36lSzUMBJnc

"A True, True Friend" by Daniel Ingram
http://www.youtube.com/watch?v=5tCPxXW_9qI