system
embarrassed: I was swimming laps one time, and didn't realize that you could see directly up my shorts from behind. I only found out weeks later after my girlfriend told me.
gpt
I like to swim laps, and I discovered that you can see directly up my shorts if swimming behind me. 
gpt
Wow. Must be a sight for those behind you all this time.
gpt
Yeah, my girlfriend told me about it. I had been swimming in these shorts for weeks before I found out. I feel pretty awkward about going back now.
gpt
It's ok. I'm sure everyone has their embarassing moments.