The death of one lover means death for them both. One scene from "Romeo & Juliet" by William Shakespear that I've made my own interpretation of.

in a world where your moods are visible above your head, displayed through pictures and icons, it's impossible to hide your true feelings. however dan howell seems to be lacking this. labelled as an emotionless freak, dan is outcasted because his moods are never visible. that is, until an endlessly happy boy named phil wonders why.