And here is why...
perfectionism: not only perfection does not exist but it is also subjective, what is perfect to you might not be to someone else
judgment of self and others: judgment is subjective and doesn't bring anything
self-doubt: cultivating self-confidence is the best remedy... It is not always easy but when we know that we are always doing our best with good intentions and in a mindful way, this doesn't not leave much room for doubt
imagining negative or worse-case scenarios: here again, this is not productive and can't help you, why not imagine the best for yourself?
worrying: this will not help you either and won't change anything to the situation you are facing, listen to your worries in a detached way (meaning observing without engaging) and decide not to believe them.
complaining: this will not help you, there is a difference between expressing your opinion and feelings by stating facts (which can be healthy and productive) and complaining (which will not solve any situation and cultivate negative vibrations)
wanting to be in control: control is only an illusion because we can never control everything anyway...
So... which one are you deciding to let go of today?