Lynnkaz
I also worry about me having a family and then doing what my mother did. Ever since it happened, I have firmly maintained that I will never have children. I also have always had a lot of trouble having romantic relationships for any amount of time. When I imagine my future, I see a woman with a successful career (mind you, for many years I saw a hopeless tragedy or nothing at all), but this woman is single and childless - but the vision of one's future gets better as the individual processes their problems.
That is awful that your teacher said that. When people say things like that it makes me feel panicked, desperately sad and very trapped. I always remind myself that they probably wouldn't last a day in my shoes.
What does help is telling your story. Whether you want to do that here or with a friend is up to you, but telling your story to someone would help you a lot, I think.
Also I find articles like this one on a website called Medscape that I read the other day very validating. For some reason it won't let me post the link here (this site seems to think its an email address?) but if you search "Timing of Parental Suicide Influences Risk in Kids" in Google, it should be the first thing that comes up.
I do not mean to suggest at all that our lives are lost causes because of the statistics in the article, I just think it proves that what you're going through is a legitimate, natural result of parental suicide; and that the younger the child is, the more severe the psychological impact can be (contrary to what many people have said to me whilst voicing their undesired opinions ;) ).
xoxo