This is a successful philosophy discussion, mostly with StEmperorAugustine. There's a brief discussion about dishonesty, then an extended discussion about whether people's interests are objective or subjective. PDF. (I cropped out some irrelevant parts. Depending on the software you use to view the PDF, you may see whitespace for partial-page removed sections. It's not broken.)
And this is a discussion about eating, calories and fatness. It was kind of a mess between JustinCEO and CallmeBigPopper (it's instructive to see what people do wrong in discussions and consider what you would do differently – and then actually test yourself in discussions), but then I wrote some good explanations at the end which everyone agreed with and which I wanted to share. PDF.