How long does it take for a man to be ready for round 2? Professor Denis Abura

How long does it take for a man to be ready for round 2? Professor Denis Abura
According to some studies, 18-year-old males have a refractory period of about 15 minutes, while those in their 70s take about 20 hours, with the average for all men being approximately half an hour. Although rarer, some males exhibit no refractory period or a refractory period lasting less than 10 seconds.