Check out Nerdarchy on YT if you want to level up your DM skills, just let them chat in the background while you flesh out the campaign. Try not to squirrel too hard; if they give you an awesome idea, just make a note for next week and then carry on with what you meant to work on, if you can.

https://www.youtube.com/user/Nerdarchy, goes well with beer and colored mechanical pencils.