We are too quick to believe in myths. Some of us do not want to test the info to make sure that what they believe in is really true. There are many myths we take for facts, although reality is different. This rule applies to what we know about introverts.
It all starts with our mentality. The outside world is the reflection of our inner world. If you do not like what you see around, try and look into yourself deeper and find out what exactly needs altering.