I don't know of any way to control the subject of one's dreams although I'm fairly certain there are more than a few types of psychoanalysis dedicated to the topic.
Mallory OrtbergLGBT youth face a much higher risk of violence and homelessness after being rejected by their family of origin.
Mallory OrtbergSo many people choose silence after the immediate wake of a death out of fear of saying something out of turn or "bringing up bad memories" that bereaved people often feel forgotten.
Mallory Ortberg