Tt boy would have twenty days out of the month where on average he would shot two to four scenes and cumshots a day. This went on for years and years. There were really only a handful of top performing male porn sta red back then, Peter north, Randy west, they finally let Sean Micheal’s in. This was before viagra or cailiis
It’s mostly genetic or conditioning or both. Not sure if they used any other drugs or supplements for erections and cumshots.