I think that was a great step to write it out, and even better that you were able to follow through and give it to him. It sounds like he cares and has some good ideas... which is a valuable combination.
Please try to be honest with him about your thoughts of suicide. The path to feeling better has to be a fully honest one, for your own sake. It might be good for you to take that "safety hatch" away. Don't think of it as loosing a safe place, think of it as replacing it with a much better safe place, one that is healthier for you and is a better solution. If things get really bad instead of turning inward in desperation now you have someone you can go to without having to explain yourself.
Good luck with this. If he does recommend a counselor I think that would be a good idea, and stay in touch with him as well.
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-- The world is what we make of it --
-- Dave
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