Westerners like to drink coffee is a habit, which is constantly developed in life. In the 17th century, coffee was introduced into North America. In the 18th century, Westerners had the habit of drinking coffee. If they don't drink coffee for a period of time, they will feel particularly uncomfortable.

Caffeine in coffee can refresh the mind and make people addicted. This is one of the reasons why Westerners like to drink coffee. Moreover, drinking coffee is easy to make people excited. If they don't drink it for a period of time, they will lose their spirit, so they are loved by Westerners.

Source: @lizmunster