Why do things i say backfire on me?

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Today I pm'd a RP Help mod, and told him how sensitive I am about my grammar and that sometimes people will insult me instead of helping me out. Now it seems he thinks I meant he was a bad person, and that I said he insulted and disrespected me. This is the general area where I have that trouble, and everyone thinks I'm being toxic or abusing others. If nobody knows yet, I have a moderate spectrum of AS(Asperger's Syndrome), I'm not able to properly write what I mean to say. This tends to get me people mad at me, and I never wanted that at all, What should I do to fix it, I already apologized for what I said. What else can I do?