on my way to school while in nigeria.   a boy trying to stop a girl and talk to her, the boy was making a sigh saying sissssss,sissssssss the girl continue walking, then seeing a mistress at the front, run to her and say, excuse me ma,  excuse ma¨´if someone is calling someone and someone does not want to aswere someone won't someone leave someone alone¨´ and the mistress said, yes if someone is calling someone and someone does not aswere someone someone will leave someone alone