[quanticle]

Or initially dislike them but get in the habit of liking them?

That's exactly the point of having a goal. It gives you a nice end state that you can look towards so you can get past the day-to-day unpleasantness of actually forcing yourself to practice.

Different people have different motivation systems. I, personally, find it very difficult to do something without a goal in mind. If I try, I end up giving up very quickly, as my subconscious keeps asking, "What's the point of all this?" If I don't have an answer for that question, it's very difficult to keep going.