Am I an idiot for drinking half a litre of vodka in one night?

Like, at the time I spaced drinking it over about 5 hours but... Still.. That's like 20 units in under 1 day.. Volume is 37.5% if that means anything.... All I know is I'm gonna be saying goodbye to my liver soon. ┴┬┴┤•ᴥ •ʔ/