Anilysis of habits
It is true that you have past experience and practice. You today are a reflection of your past. If you like to argue about khilafiyah then your past is surrounded by people who like khilafiyah.
If today you like cars means you used to be happy with cars or toy cars.
If you love today Aircraft then you can be sure that you've liked Aircraft in the past.
If you can not digest the above statements, it helps you start trying to notice some photos about something fruit, do you know what this fruit, have you ever seen it and ate it?
If you have not / never known about this fruit can be ascertained that you do not like this fruit.