5. Add new friends to life, live longer
It is apparent that you will meet strangers on your way to any trip. You may want to know about them out of curiosity. When you are outside your house, you will be less hesitant to cross the limitations and make new friends. It is seen that social interactions can make you happy. It is fun to meet new people and getting to know about their lifestyles and behavior towards life. Travelling can simply widen your social circle and thus, can keep you happy.