A person with such an ear...

has very good chances of luck at an early age,

 

and he is either born to a very rich family 

(he is very beautiful and spoiled)

 or he is born to a very poor family.

 

A person usually has... 

a tendency toward invention,

and unconventional thinking, 

 

which makes him more inclined to work on his ideas most of the time.

 

In case...

Being born into a poor family makes him more inclined to succeed,

while...

If he is born into a rich family, this means endless waste, extravagance, and corruption.