Success does not lie in sticking to things, it lies in picking the right thing to stick to and quitting the rest. So what's a good way to figure out what's the strongest option versus the things that you should stop doing? I recommend for people to do is say imagine it's a year from now and things didn't work out. They were kind of a disaster. Now you have created a list of what I would call kill criteria. And when you observe those things in the world you stop and you now switch to something else which could be an option that you rejected in the past. It could be a new option that you're newly considering. That will reduce the cost of choosing