It's quite hard to say what I would do in an event that the world was going to sadly end but I will try to imagine so!
Most likely if the world was going to end, it's not something that would happen so fast but in-fact, it would be a timed event. Such as an Asteroid hitting us. I would tell everyone in my family that I love them and I would go to the beach and sit on the wall. I've always loved the ocean and if I we're to die, I would want to die on the beach. I would probably bring my mother and my father with me. I would hold them tight and look them both in the eyes and say, I Love You mama and daddy..