The ending of 'Class Act', hinting at Seeger and MacColl growing apart in several senses, and stating he did not like it when Seeger did things without him, is sort of filled out by the account given by Seeger (Joe Offer kindly drew out attention to it) here:

https://www.bigissue.com/latest/peggy-seeger-recounts-when-she-realised-men-had-destroyed-the-earth/

Not only that but in regards to at least one project Peggy made a contribution not always acknowledged at the time, something else she now regrets. One felt that with all three of the main women in his life each made a great contribution to the success of his projects and career, often in terms of organisation and so on.