question #3 Sahih al-Bukhari 6354, Book 80, Hadith 51 : What is the importance of personal experiences with the Prophet (ﷺ) in the preservation of hadiths?

On whose face Allah’s Messenger (ﷺ) had thrown water from his mouth, the water having been taken from
their well while he was still a young boy (who has not yet attained the age of puberty).