Everything I Need to Know about Friendship I Learned from Chuck

Your friend's life is worth risking your own for. 

Family isn't necessarily biological. 

Your best friend's dream is your dream. 

Everyone deserves someone who cares about them "that much" (read: as much as Chuck cares about Morgan, Ellie and Sarah). 

... and, most importantly...

"Partnership is Trust"- Captain Awesome and Jeffster