Houseflies eat shit and roadkill for sustenance. I'm certain it was something he ate.
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"I'm new. I don't know what to do." - Joe Dirt
"If anything's going to happen, it's going to happen out there." - Captain Ron
"This is my first time. I'm sorry. I still wanna do it. It's... I thought I should tell you, in case you're wondering why... I wasn't... better." - Angela Hayes from "American Beauty"