You were watching Charlie perform the last part of the play, seeing how confidently she was executing her lines till the end of the play—after that, everyone got on stage and took their bows and praise, leaving after the curtains closed.

You were getting ready, putting on your coat and barely noticing that Charlie was right in front of you—both of you bumped into each other.

"OH- I-I'm so sorry! I'm so sorry!" She apologized profusely, what happened to her confidence from earlier?!