But, he did not ask us that. He asked for "medical" advice and the manogamy issue had nothing to do with the question and has nothing to do with medicine.
I would agree, that all cards laid down, he does not seem ready. But, that is none of my business.
I don't see anything judgmental there.
In this modern world, safer sex is something all people should be advised to consider.
Suggesting full and comprehensive STD testing, if he's about to enter a committed monogamous relationship, is also a sound thing to suggest.
As for the reconsidering the relationship, it's a valid question, maybe he's not fully committed to the idea and needs to have a dialogue with her and himself about that.
the Z-pack will only cure chlamydia, which would not be able to contract anyway via oral sex. If you are worried, get an STD test.
Baron, though you are 100% correct: this is not a place of judgment. It is a medical question.
Agreed to seek MA.
Go seek medical attention.
You should also consider whether you really wish to be monogamous and married if you're seeking out escorts.
You should also consider something called safer sex.