The context of the following conversation is Sasha was playing football and crossed the goal line. They dropped the ball on the ground.:
Sasha says Oh my goodness I am so mad. I didn't mean to cross the goal line..
The friend responds Why did you do that? Couldn't you tell that you was across the line?.
Sasha responds No I couldn't tell until the end. I am so sorry. I messed up..
The friend responds You sure did and you ruined it for our team..
Sasha responds Now I am going to feel bad for the rest of the day. I really messed up..
The friend responds You shouldn't feel too bad. Mistakes happen. It will be okay..