When the hustle gets frustrating and seems fruitless (and believe me it does) its always good to tap into some advice from some absolute dons who have worked their way to the very top of their games.
These videos are regularly revisted, these dudes are all certified.
Paypal, Tesla and Space-X founder Elon Musk on how he never gives up;
Steve Jobs Top 10 Rules for Success (some serious gold in this) rule number 2 is essential.
Neil Gaimen author of Coraline, Sandman and American Gods on always making good art no matter what, even if the chips are down.