Kakashi first met Naruto when he was 14 years old. That day was Naruto's birthday, and it was also the death anniversary of his teacher and many ninjas. Naruto slept peacefully in his arms, and Kakashi felt the emotion of the elf being left behind in his heart. However, it was not until they met again many years later that he was finally willing to accept that this child was his salvation.
Conception: