What makes you think I haven’t?
Not as charitable as it could be. Contrary to Morendil, I think he did have a weak reason to assume you hadn’t, and even if he didn’t, you could still simply say “I have.”
Not as charitable as it could be. Contrary to Morendil, I think he did have a weak reason to assume you hadn’t, and even if he didn’t, you could still simply say “I have.”