I feel this way sometimes. I think we all do. Maybe if you drag yourself out the front door for a very short walk, you will feel encouraged again? That helps me sometimes.
Is there something specific that you think is making you feel this way? Hungry Angry Lonely Tired? Maybe you need to switch up your routine. Or maybe you are not having any fun and need to go do something that isn't totally diet and exercise focused. Go window shopping at the mall and not buy anything, just walk around it like you are doing laps. Get a diet pop from the Orange Julius store.
It sounds like you need an emotional break and some self-care.
I hope you feel better.
Barb