David was tired, and mentally drained, but his eyes both shone brightly amidst the night skies as he stood before his door.
Training the mental art technique placed a huge burden on the brain not allowing one to practise forever.
Moreover, he had already reached about a significant level in the technique which was why he finally stood up to stretch his body and relieve himself if the hunger he was feeling.
Although the servants were meant to deliver food to his door step, his position wasn't intimidating or high enough to have them wait or come back until he was done. He had to go get some food himself otherwise, he was going to starve to death.
Thinking up to this level, David walked for a few minutes before finally getting to a restaurant. Ordering quite a large amount of food, he immediately dug in line a ravenous wolf and in a matter of seconds, he was done with the first portion.