A reader is anxious about her relationship with a 23-year-old daughter who refuses to accept the man now poised to be her stepfather.

A reader wants to shore up her brother against financial hardships, but she’s unsure how to stipulate what the money is to be used for without coming off as controlling.

Distressed by her grandson’s failure to pay for the support of his daughter, a reader wonders whether she should try to engage with him — and his absenteeism.

Years after coming to grips with her husband’s infidelity, a reader still feels an urge to make his lover suffer.