even Klingons experience the Kubler Ross stages of grieving....Denial, Anger, Bargaining, Depression, Acceptance...
Crusher probably wanted Worf to progress through them before he made the decision to off himself. Maybe she thought that he was being too rash and impulsive, especially given Alexander, and that he needed clarity first. and Worf often adopted human principles into his personality:
"I have been told that patience is sometimes a greater weapon than the sword..."
