Another term for<unk>  is<unk>  thoughts. When someone who has not shown a history of<unk>  experiences a sudden and pronounced thought of performing an act which would necessarily lead to their own death, psychologists call this an intrusive thought. A commonly experienced example of this is the high place phenomenon, also referred to as the call of the void. The urge to jump is called "mountain fever" in Brian Biggs's book Dear Julia. Euphemisms related to mortal contemplation include internal struggle, voluntary death, and eating one's gun.
Suicidal ideation
Homicidal ideation
Listener fatigue
Bullying and suicide
Unipolar emotions
Suicide attempt
Anticipatory grief
Psychological dependence