A blessing or a curse?

Killua's breath rasped and he let out a cough. "woah man you good?" a worried voice said from behind him. Killua couldn't concentrate on anything other than the heavy weight of the glass bottle in his hands. The white noise in the background swam in and out of his range of hearing, the harsh ringing obnoxiously making itself home in his head. "Eh? Yeah m'fine" he said, leaning heavily against the hard brick wall. A hand rested on his shoulder. "how old are you-? You look a bit young to be here unsupervised-" Killua blinked slowly, his brain was lagging a little from the alcohol. "I'm uh.... Ninedy" he said. The woman who's face came into view blinked. "you mean nineteen?"