He looks incredibly relieved. "I'd love a good clean shirt and a shave." He just feels uncomfortable in his own skin, being unwashed and the like. He'll be happy to see running water and someone's grandpa's clothes, even if they are covered in cat hair from a cat that might try to kill him in his sleep.

Once they get to the house, Steve looks himself in the mirror in the hall and he looks... pretty shocked at his reflection. Though it's only been ten days, he looks like an utter mess and with his wrinkled, dirty clothes from sleeping in the wilderness, he barely recognizes himself. He feels older. He feels ...diluted. Like he's still there, just watered out.