The Straight Forward Answer "LEO"... Becoz Leo Is The Ruler Of Our "HEART"... They Are Very Very Sensitive Firey Sign Among the All 3 Firey Signs..Mostly 95% Of Peoples Dont Know This Thing At All... Only Very Very Few Peoples Know Thing That is Hidden Inside the LEO...Either They Could be Their Family Members and Very Very Close Friends Only Know This Trait, that Has been Hiding inside The LEO.. Rest Everyone Will Thinks That LEO Is Very Stubborn,Strong Headed, Very Egoistic...Etc Etc...😊😊😊