Short term: Take a break. Delegate. List the things that are painful/stressful and avoid on the days you're not feeling it. Limit email to twice a day. Don't use IRC/Chat if you can, it's too demanding on your attention. Take the vacation, leave the smartphone at home and let your mind rest.
Long term: Focus on moving to a point where you can take a step back. It's easy when you're a founder to become control-obsessed, which leads you feeling like you, and only you can fix XYZ. This is a precarious position to be in, and certainly isn't scalable. Think of this as the "what if I get hit by a bus" plan. All your efforts should be on proccesses, documenting and some key hires so that the company can run without you. Both for yours and the companies sake. After all, you need the option to retire/sell one day - the company MUST be able to run without you.
Are you in a position to discuss with your co-founders? If there's money in the company maybe they could buy you out based on the EBITDA of the existing offers, getting you out of the company sooner and not scuppering any deals on the table (which might take years to complete).
Many years ago, my father told me the story/joke of how the US-based marketing department at Mitsubishi had mis-heard the proposed name for the follow up to the "Colt" on a phone call from Japan.
Based on the horse theme, it seemed fairly legit. Turns out, there might even be some truth in the "Stallion" that never was!
I showed you the Copify WordPress plugin [0] a couple of years back. It allows companies to outsource monthly blog content to Copify's team of freelance writers. The blog posts are peer reviewed, then automatically published with a Creative Commons image to your WordPress site. The link is then (optionally) auto-shared via Twitter.
Long term: Focus on moving to a point where you can take a step back. It's easy when you're a founder to become control-obsessed, which leads you feeling like you, and only you can fix XYZ. This is a precarious position to be in, and certainly isn't scalable. Think of this as the "what if I get hit by a bus" plan. All your efforts should be on proccesses, documenting and some key hires so that the company can run without you. Both for yours and the companies sake. After all, you need the option to retire/sell one day - the company MUST be able to run without you.