How to Improvise on Stage?

I credit all my knowledge of writing and directing from doing long form improv because you have to edit. You have to see patterns and scenes. And when you first start writing it's really just like improvising with yourself. I would I would be scared to come up doing improv now because there's like everybody's got phones and everybody like there was so much room to fail. In Chicago there was nobody you could you know you just do anything. No. Do you miss it John? I don't. I really don't.