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.
(..) That money you took... I need it back. A good man could make a real difference as President. A good man might even inspire one's patriotic instincts, but a good man would never allow himself to be put under obligation to anyone willing to write a big check. You just had me accuse Kirk (..)2016 TvShow: The Blacklist Title: Alexander Kirk (No. 14): Conclusion Season: 3 Episode 23