[ He's sharp, Akechi will give him that, even if he is likewise not keeping any secrets about the kind of person he is, past or present. Still, that doesn't mean he necessarily wants to get into personal details. He still has his pride. ]

They had turned on me before it even began.

[ Shido would have used him and thrown him away regardless of whether or not Akechi had been sincerely supporting him. That was the worst part about it. His plan, as he had conceived it, never really had a chance of succeeding, because it hung on one very important but false assumption: that Shido would always need him. ]

So you can see why I might be reluctant to follow your advice, reasonable though it may be.

[ If you're a sociopath, anyway. ]