Thanks for all the advice! I'm taking everything into consideration. And, yeah, I stop with the training sessions way before Finn gets bored. But, I have to admit, I do try to tire him at during the day before I go to work, so, that he sleeps well while we're gone. I have multiple training sessions, they're just all short ones. He is loving it, though. I was in the kitchen preparing food for him and Lock, and, he was sitting just outside of the kitchen on the living room carpet, so, I clicked and treated. I did that for about ten minutes, about every five minutes or so. Even a few hours later, he wouldn't even put a toe on the linoleum. He is really scared of the stairs, so, I took him to the very bottom and he was ok with the first stair and ok with the second. but, ay yay ay. That third stair is the worst! i'll just keep working with him. I don't see it being an issue at all when he's bigger, though.