If you were insecure about your breath, and you offered some jelly beans to a co-worker, and they said, "Thanks. It's for good for my bad-breath" -- you probably would not think twice, about his or her reference, being about he or she. However -- If you were insecure about your breath, and were discerningly sensitive to a thinly-veiled insult by projection, then you might think twice about the response that sounds like a self-acknowledgement of one's flaw; but may rather be, an indirect way of acknowledging the flaw of another.
