Castiel supposes he should view it as weakness also, but he does not. He's witnessed much over the past several months and most emotions are impossible for him to label, much less recognize properly. This has led to him avoiding them, if only out of convenience's sake. "You have helped me a great deal," he explained. "I find I am simply waiting to return the favour."
He had no idea how, of course. Whatever happened, Anna had always seemed to be the one to catch him if he fell, at least in the proverbial sense. She was his saviour as much as his guide and while he required no protection, he felt an urge to do the same for her nevertheless. It was not something he could say aloud, but the desire to be close to her was strong.
"Thus far, I have few qualms with our life here. Those I do have are largely in relation to my own vessel and its functions. It dislikes cold. It wants...and yet I have difficulty finding precisely what it wants because it craves experiences I have yet to have myself."