Well, kwa kuongeza kidogo tuu
In having sex, every single muscle fibre in the entire body is brought into play firing at the absolute Maximum to produce the most intense physical pleasure and greatest physical and psychological experience possible, especially during climax itself. Every fibre is brought into play to that end. The whole body shakes at utmost intensity, and most men feel the responsibility for the absolute maximum physical and psychological pleasure of both parties. In most engagements, he is the one doing most of the work.
Next, the whole situation has to be put into context: Mostly, he is working during the day and then for him, the sex is the dessert of the day's activities, and brings the day to complete satisfaction. Mentally, having done his work and had 'recreation' for the day, he is now programmed for some well-deserved.