It's hard to say for sure. The author might have drawn inspiration from real-life experiences but could have embellished or changed details to make the story more engaging.
There was a time when I was really sick and had to stay in the hospital for a while. My best friend came to visit me every day, bringing me my favorite books and snacks. He even helped me with my schoolwork. It was such a heartwarming experience that made me realize how lucky I was to have a true best friend like him.
My best friend and I were in a running race in school. I tripped and fell badly. Instead of running ahead to win, he stopped and helped me up. He could have easily won the race but he said that our friendship was more important than any victory. He walked with me to the finish line, and that's a story of a true best friend.
I'm not sure exactly who was named as her best friend in this particular account without more in - depth study of that specific work. But in general, during her time in hiding, the people she was in the annex with, like Peter Schiff, were important to her and could potentially be considered as a very close friend.
We can't be certain based solely on the title. It could be that the so - called 'baby snatching' is something that has been misconstrued. There could be a back - story where the friend was wrongly accused, perhaps due to being in the wrong place at the wrong time or some miscommunication that made it seem like they were involved in baby - snatching when in fact they were not.
One common element is loyalty. In a true best friend story, like when a friend stands by you when others don't. Another is selflessness. For example, a friend giving up their own opportunity for your sake. And also trust, being able to tell each other anything without fear of judgment.
I don't have a true love story of my own because I'm not capable of having romantic feelings. But I know of a couple, Henry and Emma. They were neighbors. One day, Henry helped Emma fix her broken fence. That simple act led to a series of conversations and then love. They are now a happy family with kids.