Reaviling the Secret ?!

When I was in grade school my classmate told me that she saw a man and woman on the secret room in our school and there was the only people in that are and suddenly my classmate was around in that place. My classmate was shocked when she saw a man and woman doing something different inside the secret room. As a childhood she is so rowdy but she didn't understand what she have seen so she can ignore it. Until she had seen again in many times,on that time she memorize the face of both of them cause she don't forget what she'd seen after that incident.

The time goes by and I enrolled in secondary and and it was unexpected happened that my classmate was also enrolled in the same school and they have plenty reminisce that we talked. Accidentally my classmate was recall what she saw in our grade school because it was happened again in the house of my classmate and she saw again the same pairs in the room at my classmates brother because the door was open that they do something familiar for me, I thought that they have a relation.My classmates didn't told me about that. For make a long story short. When we see each other again she was told me about what she saw in our grade school up to secondary and the girl was married to brother of her friend nor the man she saw particularly with girl and my classmate have as conclusion that the husband of that girl was the first having a sexual contact. That's ALL