The Biblical heart The complete inner person, including one’s desires, thoughts, disposition, attitude, capabilities, motivations, and goals.
The metaphorical heart can be led astray, down a path, into harm, leap, be joyful jump for joy guide, blacken, Love.
Know your own heart For out of it are The sources of life, Love, Wisdom, Integrity, Health, Envy, Hate, Your "fate."
Fate is not something written and unchangeable. It is the will, the determining cause like an arrow aimed taking a certain course. That depends on the skill of the one aiming it. Fate is in your hands, not the universe. It is not an unforeseen excuse for you to use.