Complex sentence: He blames himself for not having time to be with his daughter and felt depresses over it until Xio members reassures him, although in reality, Kaoru never complained about it and respected the importance of his job.
Split into simpler sentences: He blames himself for not having time to be with his daughter and felt depressed over it until Xio members reassure him. In reality, Kaoru never complained about it and respected the importance of his job.