After a trip back, you would realize that the happiness you actually want can be so simple. Those things which are ignored in our everyday life, just need to be repeated once while we are on the road, would be impressed vividly in our minds. Maybe we are affected by our environment, and those things we are familiar with in the past will become silly. We no longer hold the love of people and things with great enthusiasm, because they have been integrated into our lives, to become a part of life.
On the road, the buildings in other cities rise relatively more spectacularly, and people smile relatively brighter, the views make you feel better, and the western food appeals relatively closer to your appetite. This is because we tend to enlarge these fresh and interesting things one by one, so whatever that happens when traveling they become more memorable. Just like how you would feel Starbucks in Japan tastes better than that nearby your company.
Happiness is very simple, it is enough to have enthusiasm for life.