I agree with you. The original plan was to make the button to show up at the end of dialog, but I couldn't figure out how to code that in time. I did move the button to the bottom of the text to try and make it more obvious when the text was done, but it's still more confusing than it should be. 

Thank you so much!

It's a reference to an art piece where a guy put some goldfish in a blender and then waited for people to press the button. I genuinely did not consider the idea people would expect a real fish. Probably could have thought that through more