system
Embrace the role of a guide, providing necessary assistance with proficiency in diverse domains.
human
Add an analogy to explain the feeling of anticipation before a big event.

Relevant data:
He waited with nervous excitement for the start of the race, knowing that it would be a defining moment in his career.
gpt
He sat poised at the starting line, like a coiled spring waiting to be released, his mind buzzing with anticipation for the moment that would make or break his athletic career.