Plagiarism - I have been caught and now I feel worthless?

sheslostcontrol
About 2 weeks ago I was writing a paper on a book and it was late at night when suddenly the word processor failed on me and I lost my documents, it was due the next day but I still knew I had to do it, so I started over and half the essay was from me and the other half was copied off the net. This is probably the first time I have done it and I was caught today, I got a 0 on the paper and my grade went down to a D+ but my grade will go up with another project that's due this Friday about advertising and hopefully it will go up to a c or c- , although I probably am going to pass the semester I still feel like a dumb ass. I can't get my mind off it and I feel worthless. how can I cope? any advice will do me good. thanks

p.s. I'min high school
Updates
+1 y
^ hello? I did say I feel bad, read the actual question, what part of be feeling worthless because I did it don't you understand?
Plagiarism - I have been caught and now I feel worthless?
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