Knack
Knack /næk/ (noun)
natural ability or skill to do something, predisposition, talent, flair, aptitude, propensity, capability, capacity, gift, dexterity, expertise:
He has a knack for making money.
He would never have been successful without his inherited knack in compromising with his opponents.
Do you think that having a knack for doing something necessarily leads to an insatiable appetite for that?
There is a knack of you to save my life.
You have a knack of saving my life.