Answer:
Explaining the problem is simple: you saw your ex at the cinema with a woman/man.
You could act impulsively, approach the couple and make a scene, which puts you as the one who blew the situation out of proportion.
Another scenario that could have consequences is put yourself in the position of the bad guy, you could start drama at school, painting your ex in a bad light without having any real knowledge as to why he left you in the first place.
The third option, which you will do, it walk away from the situation and try to move on with you life.
Explanation:
