以后你妈必是我妈以后你爸必是我爸
[yĭ hòu nĭ mā bì shì wŏ mā yĭ hòu nĭ bà bì shì wŏ bà]
Your mother will inevitably be my mother-in-law, and your father will inevitably be my father-in-law speaks about entering into an intimate or committed marriage relationship where family connections blend and families come together as a united kinship group.