Yep. Start again, with the benefit of this lesson.
And next time, post on here BEFORE you go into the situation. I've learnt that often the wise words from folk here has helped me handle situations much more wisely and confidently than I'd have managed on just my own resources.
This is all learning. I know it seems like the end of the world right now, but you're just that one mistake closer to long term sobriety is all.
Stay close and keep reading and posting.
BB x