Empty-minded

There is this feeling that you are not happy, satisfied, or motivated. But you still feel good. What a great word is "carefree". You don't care, you don't have much of feeling, you don't feel anxious, and you can't pinpoint any meaningful emotion inside your head. Relaxed-like type of thing which is not actually relaxed either. It's "carefree". Am I carefree now? Who knows?