How do I know if I'm dreaming?

I’ve been interested in lucid dreaming since high school, with just enough success to say that my efforts haven’t been a complete waste of time. I have a lucid dream once every few months, which isn’t great. But I still do reality checks multiple times per day. The simplest way to lucid dream is to follow two steps: Get into the habit of writing down your dreams as soon as you wake up, so you get…