After you finish your edit, do not watch it for 24 hours. Look at it with fresh eyes. You will be surprised: 90% of what you thought was "broken" was just the fatigue of seeing the unedited video for too long.
The emotional trap most editors fall into is viewing unedited footage as a "mess." In reality, it is . A sculptor does not look at a block of marble and curse the dust; he looks at the form within. unedited video to edit
Export to a folder named FINAL_EXPORTS (never the same folder as the unedited video). After you finish your edit, do not watch it for 24 hours