No one ever achieved a goal by being interested in its achievement. One must be committed. In fact, in studying the source of people's success, I've found that persistence overshadows even talent as the most valued and effective resource in creating and shaping the quality of life. Most people give up a maddening five feet from their goal!
Fanaticism? No. Writing is exciting and baseball is like writing. You can never tell with either how it will go.