Always be willing to learn new things, try new things, engage in new things, but NEVER feel bad about the things that bring you the most joy. Happiness is good, but it is temporary and fleeting. Joy is something that cannot be taken away.
Everyone does not like everything, and that is okay. People liking different things is one of the attributes that make the world interesting. If you find your niche' stick with it. Enhance it. Expand upon it. Have fun with it!