You've already made a start by reviewing what happened and thinking about what you might have done instead
That will help you next time you feel overwhelmed.
I don't believe sobriety is beyond anybody's capability - certainly not anyone who can post lucidly to SR, and certainly not beyond you Lofty
You drinking again doesn't negate the help you have already - it may mean you need more help. or it may mean you have to work harder on forcing yourself to access the help you have when you need it.
You may have to make more changes to your life to better reflect your desire to be sober.
This is a great link on making a recovery plan that addresses those two things and many other things besides.
http://www.soberrecovery.com/forums/...ery-plans.html
you may have seen it before...if so I think it's well worth a re-read and a re-think.
This is also a helpful list:
http://www.soberrecovery.com/forums/...-recovery.html
Don't lose yourself in despair. A little stumble now shouldn't mean you pulling out of the race.
You can do this - think about what else you can do - and there's always something - and do it Lofty
I'm off to bed now but I hope you have a good day all things considered
D