Its sweeties when man pay the money; consort when it turn to woman; friend when both of them want to pay the money.

• 男人掏钱是情人关系，女人掏钱是夫妻关系，男女抢着掏钱是朋友关系。（餐厅服务员的经验）（都不掏钱是什么关系？）