You have to measure love at least one teaspoon only. You can just estimate and don't regret by giving it all. Likely as cooking, it should entered into with abandonned or not at all.
Kyungsoo's parents died while serving their master. He and his younger brother was adopted by their parents' master. They were given food, shelter and education. But these were not free. Kyungsoo needed to be the servant of his masters son. Will he regret it or be thankful?