A super co lets you basically create a with block that says, with my sequel container as my sequel, or with my magdb d b container as and it just fires up a doctor container. You do your tests within that thing. So instead of mocking out the data base and mocking out reddis you just run a test redis and then throw it away. It's like a hybrid between integration tests and unit tes isolation type stuff. Going back to our earlier conversations around reproducibility, right? Yes. Having same environments or very important, right? Absolutely. And then final question, what editor y cuse these days, if yo were to ask me that about two years ago