How to Stay Motivated for Exercise in 20 18

i wonder if you came up with looking at the why you haven't been able to do it yet, and then came up with strategies. Inertia meaning like i'm in a pattern of not doing it, so it's hard to start any pattern. Why else? Boa, it's cold. But there have been winters where i've run almost every day right through the winter. So that's not a good excuse. If anyone could solve this, they'd make billions of dollars.