5. Travellers know that they're privileged
While travelling be prepared to see the real life of people living around the globe. You will see that there are people who struggle to survive. At the same time, there're plenty of those who can afford the most luxurious things. Be grateful for being able to travel since travelling is something only the privileged can afford. Let’s admit that even if you couldn’t travel you would still be alive. And if you can afford travelling, then you are lucky!