Hi Jennifer,
I've wanted to be female for as long as I can remember, but I would always just tell myself that I have greater priorities and just ignored my innate desires. This self-abdication and resulting low valuation of my life, also made me long consider suicide. 9 months ago, though, I realized this wasn't a tenable course, and since then I've progressively incorporated my gender into my life, and as result, I haven't thought about suicide at all.
The reason I think I'm not suicidal anymore, but the rejection of others, after you were open with your feelings, is causing you to consider suicide, is because I'm very scrupulous about the ideas I value. For instance, if someone says something transphobic, I will question them, and if their argument is clearly false, I won't value their argument, and if they don't want to accept a more logical argument, I won't care about what they think about the subject.
I'm not sure what people are telling you that is making you feel rejected (is it just about the subject of euthanasia and some people referring to you as male, or something else?), but if you would like to talk about it here, maybe we can look at all sides of the argument, in order to build the requisite conviction, or change of perception, to not feel suicidal post-acceptance. As long as you're happy and productive, I promise I won't tell you what you are doing is wrong.