I'd had my sorts of injuries over the years due to too much alcohol, but it wasn't until the final two months before I started on my journey to quit that I started getting blackout drunk and would wake up with strange bruises and cuts.
I woke up once with a cut just above my eye and thought "holy sh**" I could have taken my eye out; and yet, kept on drinking; then another bad set of bruises until the third set where they were everywhere: arms, back, side, including a huge scratch down my side that I learned the next day must have correlated to me breaking a brass cabinet knob off a drawer as I fell.
That set of bruises, and having to look at them every single day for weeks, were what set me on the road I'm on now. I'm not totally sober yet, and even since then woke up with a rug burn on one side of my face (WTF), but for the first time I'm committing to live a sober life rather than just trying to quit drinking.