Complex sentence: Although Peel got along with Shaw and said he made his mother happy, he said he did not feel comfortable with the arrangement and felt it disrupted his mother's friendships and prospects for a more stable relationship.
Split into simpler sentences: Although Peel got along with Shaw and said he made his mother happy, he said he did not feel comfortable with the arrangement. He felt it disrupted his mother's friendships and prospects for a more stable relationship.