Too bad I can't locate the source, the book I took this photograph from.
This suggests strong that we had better learn to love what we are doing or even thinking about.
Say, you are a student and you want to ace your Physics tests. But if you feel bad every time you think about Physics, you are repelling rather than attracting mastery in that subject. Ask yourself why you can't like it. What exactly is stopping you from liking it whole-heartedly? Is it calculations? It is some concepts? Drill down to the real source of dislike and worry. Divide and conquer them in detail.