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.
"Note to self: I don't have to take this day all at once, but rather, one step, one breath, one moment at a time. I am only one person. Things will get done when they get done." [with a steaming cup of tea in a red mug and raindrops on a windowpane"]