6 Reasons Sarcasm Kills Relationships

2. You’re training yourself to be cruel.
Of course you don’t think of it that way. But those quick-witted, sarcastic remarks that are so funny are mostly funny to you. The person you’re talking to may laugh and joke back, but they secretly sense a cutting truth behind the teasing. Or that the humor was trying to put them in their place. Neither feels good… and that’s a feeling you are imposing over and over again.