Get decent headphones. My weapon of choice is Etymotic Musicians Earplugs. Built for my very own ear-holes, they provide three levels of sound reduction. They ain’t cheap.

Remember this stuff? You can’t have enough of it at times like this. It may seem like the most obvious thing to point out, but it’s also the most important thing on the list. Thankfully there tends to be quite a lot of it in start-up land.

Do get high. No, not like that. Sun Tzu advises in The Art of War to take the high ground and let the enemy attack from below. My mate Dom got me onto this guy. Carry him everywhere. Link attached.

It’s a marathon, not a sprint. Find your niche early and settle in. You see that guy working the floor? In about 3 hours time he’s going to be in the recovery position. You really, really don’t want to be him.