Answer:
I once felt jealous of my friend because she was getting a lot of attention after breaking her leg. Everyone wanted to sign her cast and bring her books to different classes for her. Nobody was paying attention to me and I got very envious of her. I started to act unkindly towards her, and it really hurt her feelings. It hurt our friendship at the time, but we put it in the past and we're friends again.
Explanation:
That's 78 words but it's about 50. :)