ex·hil·a·rat·ing
iɡˈziləˌrādING/
adjective
making one feel very happy, animated, or elated; thrilling.
That is exactly how their times together were. She was his something exciting.
"Love was the strongest emotion of Phil and the one to be the most beautiful in his eyes. Seeing this marvel turn into something so uncomfortable was horrible to experience.
But he was happy, wasn't he?"
In which Dan suddenly notices how Phil starts changing. Trying to catch his best friend from falling turns out to be more difficult than expected and, in the end, who can keep Dan from falling?