The man said to the doctor, when I'm not wearing a condom I can get a thoroughly hard erection and so do it okay, but as soon as I put on the condom then it very quickly shrinks back up like that.
男人對醫生話，唔戴套嗰陣可以扯行晒噉做得嘅，但係一戴套就好快噉縮番。