a problem that I have with textual communication: sometimes I say "this is sincere" or "I'm not kidding" because a statement sounds sarcastic on its own, but adding that clarifier just makes it sound more sarcastic

so I end up being like, "I mean this sincerely and I'm also being sincere about my sincerity!"

@sonya At least here you have enough characters to both say something sincere and note that you're being sincere about your sincerity aboht the thing.
@iansltx you're right, it helps :D