You have to learn to trust/follow your 'instincts'. [=to trust your feelings about what is right or true even when you cannot be sure that it is right or true]
Her 'instincts' told her that something was wrong. [=she believed that something was wrong even though there was no obvious reason to believe it]
Her 'killer instincts' have helped her become one of the top tennis players in the world.
(..) I'm just an upjumped sellsword. You're an anointed knight. There's quite a difference. Aye, knights don't get paid. You have better instincts than any officer in the Lannister army. That's like saying I have a bigger cock than anyone in the Unsullied army. I expect to command all the (..)2016 TvShow: Game of Thrones Title: The Broken Man Season: 6 Episode 7