What's wrong with ear heat

It's often said that when your ears get hot it's when someone reads you. Some people's ears get hot after exercise, and some people's ears get hot when they are nervous. So what exactly is going on wi

What's wrong with hot ears in winter?

In winter, when the weather is cold, people's exposed skin and organs, etc., become cold and irritated by the cold. However, some people experience ear heating for no apparent reason, so what is wrong