In many Chinese‑influenced families the father’s role is still seen as the “head of the household,” so he often keeps a clear line between his own home and his wife’s natal family to preserve his authority and avoid any hint that he is dependent on his in‑laws. Taking the children back the same day lets him show respect for the mother’s side without staying long enough to be perceived as “living under their roof,” which could be taken as a loss of face. At the same time, the custom reflects an older idea of masculinity that values self‑control and the ability to “guard” one’s reputation—hence the proverb that a man who cannot protect himself today may end up “crying tomorrow.” Nowadays many couples see the practice as unnecessary, preferring to spend time together regardless of where they stay, but the habit persists in more traditional circles where the symbolic separation still matters. So it’s less about personal disrespect and more about a cultural script that links a man’s dignity to how he navigates the boundaries between his own family and his wife’s natal home.