She and he have known each other since they were 10 years old.
When she was 16, she confessed to him.
He refused and said: Treat her like a sister.
She understands.
When he was 20 years old, he introduced his first girlfriend to her and said: Call her sister-in-law.
At the age of 25, he gave her an invitation and said: I'm getting engaged, come on.
When she was 25, she met him again in bed.
After that, she lost face and left.
They met again at the age of 27. She didn't have many men around her, but he had more than one child.
At the age of 27, continuous tense.