If it helps, and motivates you to do things it's a good thing, but I'm of the opinion that most of these "prediction" tools, are mostly based on the concept of telling the participant things they already know or to reaffirm their own beliefs through little ticks the participant tells or generalizes predictions to a point it's relevant to a majority of people, so they're usually so benign they could be interpreted in different all types of ways. In the case of tarot cards, "two distinct different people, but so connected that they can appear as one" could mean so many things, for example: twins, lovers, friends, ... Its subjective and very easy to assign a personal meaning to them. I don't have a problem with using these tools for personal enjoyment, I do have a problem when people use it to trick people for money or personal gain.