I did a piece a while back on how “thank you” can wear out its welcome in the workplace, and come off as insincere if overused. The law of diminishing returns says that the longer you rely on something for results, the weaker its impact will become. People, it turns out, get tired of the same old thing after a while.
So here’s an idea: Next time you have an opportunity to thank someone, try saying “I appreciate you” instead. I’ve been trying it out, and the responses you get from people are generally more real, personal, and heartfelt than a typical “thank you” would elicit.