when it is possible that he either just embellished it or maybe didn't relate the details with complete accuracy.
Embellished is a good hint. Last night I was thinking that, considering the guy's aim, it is likely that he exaggerated Dennis' state to fit his Christian agenda
more. Also Carl's talk of being able to sleep with any chosen girl without knowing whether out of "true" feelings for him personally or just because he's famous is to be taken with more grains of salt than that he did meet Carl and got called an asshole by him.