Articles about Entertaiment
From late 15c., “to maintain, keep up, support” (with inter-, from Latin entre-, inside; see also inner) + tenir, from PIE root *ten- “to stretch”; hence to gratify or amuse, a sense now extended to pleasure in general. The suffix -ment has been added to the root stems of many English verbs (including amazement, betterment, and merriment) since 16c.
Entertainment is a good way to realease seratonin and dopamine in your brain. It often hits the points that the minds was evolved to react deep to in order to understand the world around us. This will help your mental health and make you happy. Also it hits the point that you are able to relax in your mind and enjoy your life.