Most people are courteous 1 enough to do the absolute minimum on a date: finish whatever activity you're doing together and devote sufficient time out of respect for the other person.

这是对约会双方的基本礼仪，大多数人都能出于礼貌做到这一点：出于对对方的尊重，无论两人一起做什么都要善始善终，投入足够的时间和精力。