Sehun was always best friends with Luhan. It was pretty common to hang out together with him until he realized that he was suffering from Philopohobia. That was when their relationship starts to worsen.  ForewordTitle: PhilophobiaPairing: Sehun/Luhan, Kai/LuhanRating: PG-13Word count: 2683Summary: Sehun was always best friends with Luhan. It was pretty common to hang out together with him until he realized that he was suffering from Philopohobia. That was when their relationship starts to worsen.A/N: I am addicted to writing fics regarding illness/phobia OTL The other illness I wrote about is Basorexia which is a much fluff story as compared to this.