To understand means to simplify. (RussianПонять - значит упростить) [From Strugatsky's SFnovelВолны гасят ветер (Waves blow out the wind, translated to English as The Time Wanderers)]
... threw "petting parties" where sex was the main attraction. In short, they acted as if they might die at any moment, or worse still, get old.
In addition to th ...