Or she just think she does.
No, the people that are recognized as having autobiographical memories are real.
They've been tested, and remember things that can be verified, like events that can be found in newspaper archives.
Unfortunately, I have an unusual memory as well. I remember everything like it was 5 minutes ago and remember the times things happened but not exact dates like those people last night did. I remember conversations I had with my sister since the age of 3. I remember every wrong and every right done to me since then by family, friends, boyfriends. I remember every teacher of every grade, every friend. I do not do well with memorization from books in education but remember books read for pleasure and can quote them 25 years later. When flying, I remember passengers I flew to a destination and surprise them when they are headed home by telling them the seat they had, the drink they had and even what they were wearing when I saw them a week before. I remember every minute of the surprise party my parents gave me when I turned 5 and what songs were played. (They were into Butch Cassidy and the Sundance Kid and Karen Carpenter,)
It is good but bad. Like one of the people said last night, you remember every awful thing that happened to you like it was yesterday. And I do. The pain of illnesses and deaths of relatives and friends, being cheated on or lied to- it never fades. But, on the flip side, the wonderful moments and times in my life stay brand new as well.