You don't have to bring everything with you into 2020.
Today, think of evetything that didn't befits or serve you right this past years,be a habit(eating manners, dressing styles, gossiping, backbiting etc) ,bad mindset, or foul things you say to others, see what happens if you decide to let go of these bad stuff and the good and nice things that occurs to people who doesn't have these bad behaviors.