Interior Monologue Pros and Cons--How Do You Integrate Thoughts, Feelings, and Talking to Yourself?

Here's a great definition of interior monologue:  "a conversation a character is having with themselves, internally."  Read more here.  Some writers call it internal dialogue.  Or thought tags.  But whatever you call it, it's happening inside.  

As an editor, I have strong opinions about interior monologue. 
 

Many writers, including myself, rely on interi…