On your spiritual journey, you'll notice that the higher you ascend, the better choices you make for your physical body. This means consuming food that is at high frequency. This helps maintain your body's high vibration. 

3D - When you're functioning out of your subconscious/ego, you'll notice that you cope with food to provide the instant gratification to your emotions 

5D - You have the awareness that you are valuable in this world, you start making better choices for your physical body. This means consuming food at high frequency (greens, nuts, non-dairy, vegan, vegetarian, etc.)