Yeah, but what if I'm sending an email to say that I finished a big project the recipient asked me to work on a few days ago? I don't want my email to say I've

Yeah, but what if I'm sending an email to say that I finished a big project the recipient asked me to work on a few days ago? I don't want my email to say I've been working for weeks when the reader knows that's not true. Maybe I'm missing the intended use case for this tool?