what makes YOU cry manly tears?

[WorldFree55]

The ending of Hachi: A Dog's Tale

http://www.youtube.com/watch?v=pRWfx_QK2yI&feature=related

...I swear i will never watch this movie again. Ever...

 

[Kurea]

Allow me to prod a dead horse and mention Hotaru no Haka/Grave of the Fireflies. An AMV combining Chrono Cross and Grave of the Fireflies (admittedly two of my favorite things):