Kavanaugh related Q: Is everything bad we said as 15 yr. old, or whatever age, about someone else factual?

If you said “I was punched by…” or anything else imaginable that’s terrible, to a friend, or whoever, does it mean it’s a fact? No, so, what is the point of finding out if an accuser told anyone whether it’s at the time or later on?
https://www.nytimes.com/2018/09/19/us/politics/kavanaugh-accusations-trump-blasey-ford.html