You lost control and peed yourself in the diaper.
"Yes! I knew I can make it!" said Erika, glorified and in relieved,"Now if you excuse me, I need to pee at the toilet."
Dang it! I though I can make it but I failed, and now I have to wear a diaper or a dress."
Erika came back and said, "Ha Ha Ha! Now since I won the contest, I can make you to wear the diaper or the dress."
It took about 10 minute to think what you wear. Then out of laughter, she yelled out, saying, "I finally got the plan I wanted you to wear from our friendship. After all of this, I decided that you're gonna wear the ..."