DO GIVE some indication of their impending action. There is no single pattern or causative factor in suicide. These two feelings in particular are strong indicators of potential suicide. All indicators must be taken seriously. Asking will not put the idea into the person's head.
Relief is often apparent when someone cares and is willing to talk.
This can lead to an exploration of alternatives and a release of pent-up feelings. Some assessment of the circumstances needs to be made. Determining the method available is important. Any pills, guns, knives, should be removed for safekeeping. Never promise total confidentiality.