You might be. You're extremely lucky that you didn't get fired for being drunk at work because that alone is a huge liability and most bosses aren't going to take that risk.

This is the wake-up call you've been waiting for. It's time to get serious.

If I were you I'd find a good sobriety program and other supports for addressing your drinking problem. Then I'd march into the bosses office, ask to speak to him, sit down and look him dead in the eye and say:

"I'm not here to lie to you and I'm not going to ask you to play pretend with me. You know I have a drinking problem. I know I have a drinking problem. The other day was a turning point for me and I've realised how far I let this get out of hand.

I'm not asking for your sympathy or your forgiveness. I'm not going to ask you for a second chance. I just want you to know that I've done [x, y, and z] since that turning point the other day. If that's not enough for you, I don't begrudge you for it; I have a long road ahead of me and the only way that I'm going to make progress is by taking responsibility for my choices. If this is the point where I get laid off then the only person I have to blame for it is myself."

But the thing is, you're gonna have to mean it when you say it. The excuses and the denial have paved the road for you up to this point and they're going to keep on paving it for as long as you keep on using them. It's only through accountability that you're going to change the direction you're heading in.

Good luck. You can do this.