How Do You Ab Test This Right?

In a perfect world, how would you try to do an ab tesk? Because in my mind, it's not just that commerce activity goes up or down ly. Commerce activity is actua, in many cases, tied to health, unto itself. During the financial crisis, the number of suicides increased dramatically because people that are losing everything that they ever worked for turns out to get depressed. So there are other things that obviously can hurt people besides covid um and eno.