Esther Earl, John Green's model for Hazel Grace in The Fault in Our Stars

I found some fun little YouTube posts by John Green and Esther Earl, who met online via a Harry Potter internet community and eventually in person. Very sweet.

Esther talking about her feelings before a doctor's appointment:
https://youtu.be/fa3XHeMtY3s

Esther, John Green and a bunch of fellow Nerdfighters (John Green's online followers)"
https://www.youtube.com/watch?v=7DKrs3IngoE

Announcement by John Green of Esther's death:

https://youtu.be/Mj96HM9kDTQ 

Also, here is John Green's post on Tumblr on what would have been Esther's 18th birthday:

http://fishingboatproceeds.tumblr.com/post/28557373623/everybody-was-told-to-make-a-funny-face-but-i