>>105879327That has nothing to do with lucid dreaming. You can have vivid dreams without being lucid. Lucid means actually being aware that you're dreaming. You can even think about lucid dreaming while dreaming and not being actually lucid, it can just be part of the dream.
Becoming lucid feels like a switch being flipped, like the awareness part of the brain turning on. It happens before you even do any reality checks. RCs are just to make sure you're actually dreaming, but it's pretty easy to tell that you are anyway unless you're a schizo.