Ron glanced up at Ginny as she came into the room and made a face. Not wearing her jumper. Of course. He didn't plan to keep the thing on all day, but he was at least making the five minutes of effort to please Mum before he gave it to Hermione to pass along to the house elves.
"Thanks," he said, grinning at her and stretching his arms above his head before tucking his hands behind his head and relaxing back onto the couch. "Just doing my duty as the good son. Has Mum barred you from the kitchen already? I don't smell anything burning."