I flushed, and shook my head. "No - er, well, sorta." I sat up, leaving my leg as it was. "Had some burns on my legs, and the reconstructive surgery left me a little lopsided. Left calf cramps up, from time t' time." I smiled a little too brightly, please don't ask how I was burnt, "No big deal."

"Your spare room sounds great." Ah, a quick subject change. He won't be suspicious or curious at all.