It's true that there are two kind of fears, one that exist for real in reality like seeing a lion standing Infront of you and the other kind of fear is "a fear that lives in your mind" relentlessly all the time.
Man, your definition is spot on. For me, the worst thing is that fear that lives in our minds. Sure, facing a lion or fleeing from a real fear-inducing situation isn't easy, but once we overcome an event like that, it's over. Now, living with a fear that has rooted itself in our psyche is something terrible, harder to deal with and even to understand