Are you actually a 'porn star' or did you say that 'to make things sexual'?
If its the former, then well, maybe she got turned off by your profession.
If its the latter, then it's a pretty stupid move in my opinion, there are tons of ways of making things sexual than saying that you literally work in the sex industry. Your text game is beyond terrible.
Damage control time.
"I can't believe you fell for that.

No, not a 'shagging on tape' kinda guy though some days I think it's not that bad a job, especially in this economy.

"