Indeed, the German preference for waiter service is another result of their respect for the enjoyment of beer itself. Rather than pressuring each other to drink up fast so that each of their number can have the dubious pleasure of offering waiter service at least once during the evening, Germans would rather have their beer brought to them when they are thirsty for it; at the end of the evening, they pay for what they drank (often by counting pencil strikes on their beer mats). Sometimes, rounds occur, especially among aged 18-30 males, but there is no generally accepted and fastidiously enforced rounds system like in the UK, which has the effect of making sure that everyone drinks roughly the same, regardless of their actual wants and needs (and better judgement).