head in the clouds

"Wife, I've a grave suspicion!" said Mahony, and took her by the chin. "While I've sat here with my head in the clouds, you've been worrying over ways and means, and over having such an unpractical old dreamer for a husband. Now, child, that won't do. I didn't marry to have my girl puzzling her little brains where her next day's dinner was to come from. Away with you, to your stitching! Things will be all right, trust to me."