Reacting to the suicide of someone you know in college?

JVM1939

Let's just say that a very good friend of your's from college, a close friend, committed suicide. Or in the case you were a professor (I don't know if there's any college professor here), one of your best students, who has excelled in every class he has taken with you, committed suicide.

How would you feel in any of these cases?

Updates
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Edit:
Plus, in the professor's case, the student that commited suicide was also your helpful assistant in one of the classes you teach
Reacting to the suicide of someone you know in college?
7 Opinion