stick-to-itiveness: dogged perseverance; resolute tenacity; the quality that allows someone to continue trying to do something even though it is difficult or unpleasant
Example: My cat, Bindi, inspires me with her sticktoitiveness.
She has sat and starred at the gerbil cage for a solid year now (well, with the occasional bathroom break).
All the other cats in our household were fascinated with the gerbils upon arrival, but quickly tired of whamming their faces into the glass and gave up.
But not our Bindi.
Even though she has to straddle herself between the counter and the shelf and hold on for dear life with her little bitty paws... she persists.
Some might say "Dumb cat. Doesn't she realize it's never gonna happen?"
But 'I' say she's the epitome of determination, commitment and stick-to-itiveness.
She never gives up hope. Never quits. Keeps on keeping on even in the face of daily failure.
I could learn a lot from my cat.