actually anybody can very depressed in such a situation you are in so do not get tensed just ignore them if they are screwing you.
and if you cannot ignore then reply in any way you want because if they do not care for your feelings then why do you care.
and one most important thing to remember is that if we have enough courage to commit suicide then we have a lot of courage that we can acheive anything because quitting your life requires the a lot of courage and with that courage you can acheive anything you want.