I have had my latest foster for 3 weeks now, every time I try and let him out of 'his' room, he walks round my house crying - but pretty much constantly, I dont know how long it would take him to give up, as I tend to give up after 15-20 mins and put him back in his room. There doesn't seem to be anything specific he is crying for, i.e. he doesn't immediately go to the door or a window and cry. If he does see one of my cats (I know there were cats in the area he came from, and he did seem friendly with one of the two), he doesn't go up to them, he sits a short distance away and continues to cry, regardless of what the cats are doing to him, so I am not sure he is doing it to attract a cats attention. The only thing that does shut him up is holding him or putting him on your knee, but he wont stay there. When he is in his room, he only cries immediately after you leave him alone, but he does quieten down after 5-10 mins, and is a lovely cat in his room. Any tips on what to do - I am now wondering what is going to happen if we rehome him, whether he will do this in a new home, and if people will actually tolerate this?