usually the horoscope doesn’t really activate until age 20-21, you can certainly feel the change of the sun ‘waking up’ inside the solar life of the person, it’s interesting because esoteric writers say that the soul does not truly enter the physical body until around this age. this is around the age transit uranus makes it’s first big planetary contact, making a square to natal uranus. uranus is the planet of individuality and originality and independence and shaking up the world, the individual and expressive self is beginning to emerge. the change can be quick and unexpected