cooking with gas

She said, 'What are you doing? Tell me, I want to know.'

The blind man said, 'We're drawing a cathedral. Me and him are working on it. Press hard,' he said to me. 'That's right. That's good,' he said. 'Sure. You got it, bub. I can tell. You didn't think you could. But you can, can't you? You're cooking with gas now. You know what I'm saying? We're really going to have us something here in a minute. How's the old arm?' he said. 'Put some people in there now. What's a cathedral without people?'