So i was given keys to the spare or guest room in a place by the hosts. I stayed there for some days then once i ran into a host and i told them i was walking out and that host told me okay please remove the bed sheets and put them in the washing machine. She then walked out literally. My question is could i actually go back. I mean i have been missing from there since days now and they know i was supposed to be there and they never ever asked for the keys back. I could just get right back in right? Isn't it rude to just walk out and still have keys and sort of reject by not going back there.. Thanks.