I know several of us have talked about this essay before, but I am not sure Kalosyni has and it relates to her points in the way I am raising so she may want to check it -
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Mathew Wenham - On Cicero's Interpretation of Katastematic Pleasure In Epicurus

The standard interpretation of the concept of katastematic pleasure in Epicurus .... leads to fundamental contradictions in his theory. I claim that it is not Epicurus, but the standard interpretation that generates these errors...
Cassius