NodeJS : Node.js + Mongoose... Control flow issue?

To Access My Live Chat Page,
On Google, Search for "hows tech developer connect"

So here is a secret hidden feature I promissed to tell you.
This is a YouTube's feature which works on Desktop.
First, Make sure the video is currently in playing mode.
Then, type the letters 'awesome' on the keyboard.
Your YouTube progress bar will transform into a flashing rainbow.

An introduction to myself in a few words,
Howdy, my name's Delphi.
I am happy to help you with your questions.
If you require more detailed information, please don't hesitate to comment or chat with me.
Please feel free to leave a comment below if you have an answer or insights on the answer.
I will express my appreciation for your answer by 'hearting' it.