F'rinstance, I only need to read some words once said by a character in Serenity and I find I want to curl up into a ball and cry. I'm always gutted.
I can't listen to the gorgeous Israel Kamakawiwoʻole version of 'Somewhere Over the Rainbow', or, no joke, I actually do cry. Tears! In a similar vein, I now have a weirdly huge kink for characters saying thank you to each other and always smile when they do so earnestly. It generally doesn't matter which characters, anymore.
Whenever I listen to 'Alone' by Heart, my face splits into the widest grin because of one outstanding Merlin vid.
Have certain scenes or moments stuck with you throughout the years? What do you think it is in particular about them that stayed with you?