It's a marathon and not a sprint

It does not matter what you do the next 2 weeks, but what you do the next 15 years. This is a marathon and not a sprint. We should focus on the long term and not the short term.

Overworking yourself for a few years and stressing over small things can easily lead to a burnout. Focusing on the superficial and easy things can be rewarding, but only for a little while. Achieving greatness requires many years of focused devotion where you focus on the big picture.

Even a lot of research shows that there isn't an easy way to master anything. Researchers have shown it takes about ten years to develop expertise in any of a wide variety of areas, including chess playing, music composition, telegraph operation, painting, piano playing, swimming, tennis, and research in neuropsychology and topology... Read more about this in Teach Yourself Programming in Ten Years by Peter Norvig.

If you are willing to spend 15 years on something your idea pool opens up and you can tackle much harder and more interesting problems. If you work 8 hours pr. weekday and do this for 15 years then it's 31.200 hours. Please spend it on something interesting and worthwhile!