Well Ein's just over a year now and occasionally we feel he should go home when we go to work. So he goes from, no problem. But when I close the door and lock and I tell him, gimme a kiss(lick my finger/hand) he just makes a low growl noise(mouth closed). He doesn't snap or bark or bite(though I haven't pushed the issue so who knows if he could snap at me). He does ignore the sit command 2 out of 3 times if I said it that many times.
What's his deal? Is it because it's his home and he doesn't want me in it or touching it? Even if I just put my hand on it somewhere he makes the growl noise. Is he guarding his space even though it's my space? Is he just being a jerk?