You're asking if I'm ever sarcastic? Really?
My sense of humor is very Chandler Bing. Could I get any more sarcastic?
But as for understanding others' sarcasm, if their tone of voice isn't blatantly sarcastic or if they don't roll their eyes or something, I often can't tell sarcasm/joking from the truth. I'm very gullible. Lots of silly stunts on YT and TV make me wonder if it's real or just a farce/joke. What I'm REALLY bad with is written sarcasm. That is why I and my friends rely on emoticons. If I don't see a wink or laughing smiley after a sarcastic or teasing statement, I automatically interpret it literally, in a mean-spirited way. Unfortunately, and ironically, not many people on here use emoticons or clarify their sarcasm, so I've misunderstood several people on here.
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Helinger: Now, what do you see, John?
Nash: Recognition...
Helinger: Well, try seeing accomplishment!
Nash: Is there a difference?