what's the point of life now? (a hunter x hunter fanfic )

it's been two days since he died, i haven't eaten,slept or left the house since then. leorio and kurapika had left back to York new, but I stayed at the temple where he was buried, my best and only true friend, the one who was always there for me, when I needed him the most. but now he is gone. forever, killed by a virus that had recently been discovered, there was no cure. the death takes place 1 week after the patient is infected, in order to receive the virus, you had to have been drinking the water of an unknown region. sadly he drank the water, out of dehidration. we never saw it coming. and soon enough, he died. we found out about it three days before his death. and since then, I have been depressed, I don't care anymore. he was my only reason of life, he was the point of living. I loved him more than anything. my dearest friend, My only one. my beloved Killua.