How do you stay motivated?

Prep your meals and snacks
Buy healthy fresh fruits and veggies you love to eat and place them in baggies for on the go.
Same thing goes for your meals. Pre make healthy foods you love to eat. Make sure to pack enough for on the go for an all day outting. Indulge once a week, one meal only. You don't want to go cold turkey, your more likely to binge. Allow yourself for a treat once a week. You'll be okay, just be kind to yourself.