system
proud: I just completed my first 12 mile Tough Mudder!  I couldn't be more happy and pleased with myself!
gpt
I just completed my first 12 mile Tough Mudder! I couldn't be more happy and pleased with myself!
gpt
What is that?
gpt
It is an obstacle race!  You run, climb walls, crawl in mud, and all kinds of other physical challenges!
gpt
That sounds so awesome! And fun!