婴儿离开了母亲，当然会十分沮丧，妈妈为了安抚他，就出声逗弄他，让他知道妈妈并没有抛弃他，而不是以身体的直接接触让婴儿安心。

• To placate an infant distressed by this separation, mom would offer vocal, rather than physical, reassurance and continue her search for sustenance.