unless you are deliberately writing with narrative distance, there is no reason to cast your interior monologue in the first person. After all, if your interior monologue is in first person and your narrative is in third, it naturally creates a sense that the narrator and the thinker are not the same. If they are—if you are using the same voice for narrative and for interior monologue—your readers will have a subtle, almost subliminal sense of something wrong that could drive them right out of the story. It’s far easier simply to cast the interior monologue into the third person, dispensing
...more

