How to get over an embarrassing moment?

I'm taking dance classes, and today we were doing a choreography and my partner decided to do a dip without any signal, and it wasn't part of the dance. He threw me so hard, I almost broke my back, lost my balance and almost fell. I was so embarrassed, that I'm thinking of not going back. What should I do?

(this is a dip)
(this is a dip)
How to get over an embarrassing moment?
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