He is correct, even if he masturbated you and his hands were covered in semen it would not be a risk. Why? Because HIV is transmitted INSIDE the body not outside.
You can ask anyone in the world. They will tell you no risk
Sir you claim I had no risk even if his pre-cum stayed under the foreskin of my penis
Sir you claim I had no risk even if his pre-cum stayed under the foreskin of my penis
I dont know about your test indications but from what you described, you had no risk