A let down?

I don't think i did my best this year
I coul've done so much better if only i stayed more focused and less lazy and sad
My sadness ruined me..
I think my parents will be mad at me
I will be mad at me
If only i could get another chance
I'm so disappointed in myself
What now?
I just wait for it to happen?
Wait for my grades on the last day and see how bad o did?
See how i won't be in that class?
What do i do???