Complex sentence: Lady Constance is also not pleased with Galahad's memoires as half of their friends will avoid them and also hints that she does not want Millicent to have anything to do with Carmody.
Split into simpler sentences: Lady Constance is also not pleased with Galahad's memoirs, as half of their friends will avoid them. She also hints that she does not want Millicent to have anything to do with Carmody.