In another life, most likely in 1980 when I was 23 years old, I talked three young men down from suicide.
What I think happened is that a final exit network type person had given them my phone number by mistake. This was before the age of caller ID.
I was contacted by each of the three young men over a period of time, each one wanting assistance to kill himself.
I called a suicide prevention person to ask what I should do, i.e., with regard to the first one. The person told me to ask the suicidal person why? To engage him.