Using Cotton in Java Codebases

I used to ask this on the podcast very early on when people When cotton just came out right and people started to use cotton but I still think it's very relevant question especially to you two that have essentially written the book What is your recommendation for someone that is On a Java codebase and wants to convert to cottoning where would they start? And please don't say me don't tell me from the tests I've said But the tests are like always always like the most valuable part of your your codebase.