I have come to a conclusion about why it irks me when people say they are "lazy" or "depressed." Whenever we speak about ourselves, we are creating and perpetuating an identity. Speech and thought manifest reality. Whenever someone says "I'm lazy," they are subconsciously condemning themselves to be lazy. A less limiting declaration might be "I'm not feeling very engaged by what I'm doing, and I need more motivation." The second statement is more specific, and allows you a way to recover from your current state, rather than being confined to the image of "lazy.