Carefully watch the post-competition interviews of winning athletes, they almost always “complain” about what went wrong, what they could’ve done better, what they missed, and what they’ll aim to fix next time.
They’re never content, even at the top.
This “complaining” is a tactic to avoid becoming complacent; they know that they moment they stop caring or trying, there is a competitor waiting to take their place.
Winner complain. And it’s a good kind of complaining.