I just watched Brokeback Mountain, isn't it just so sad? :'(?

I didn't even get to watch it with my bf, i had to watch it with a girl... ugh. i wanted my bf to hold me at the end of the movie and snuggle. ughhhhhh. isn't it just so sad??? it's so freaken sad they couldn't spend the rest of their life together and love each other. i was crying at the end. but i tried to hide it. anyways, wasn't it just so friggen sad??