Just because you aren't given the credit and haven't been recognised for your work doesn't mean you have to give up or stop. You don't always need credit, other people do not always have to know what you are capable of doing as long as you do.
Believe You Deserve The Kindness You Show Other People
Yes, penguins do have knees! A penguin’s leg is composed of a short femur, knee, tibia and fibula. The upper leg bones are not visible as they are covered in feathers, giving the penguin the illusion of short legs and no knees. No go the fuck to sleep.