They are afraid the mother will change her mind or they will commit some faux pas when they meet the mother. When they get home, they guard the cradle, checking from time to time, fearing that somehow the child won't be there.
解慧珍回憶說，剛領到嬰兒的父母，既擔心孩子的生母反悔，和孩子生母見面時，又感激又怕不小心傷害到她，常激動得流淚。