Is this just the prediction of the events ?

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So, One of my seniors asked me whether I am aware of tarot reading or not? For which I responded "No". She continued telling me how the predictions are accurate and remedies work for her. Eventually, out of curiosity I have also started searching on You tube and what I found out was that -what he/she is thinking/ current feeling about you -timeless reading -pick a card/pile that will explain My question arises: why would I want to know what others are thinking? Isn’t it important for me to work on my personal development instead? Once, I even come across a video on what other people think about you Later when I try to listen, it looks like this or that person is jealous, harming you. He/she was born on this date. What the hell! In that case there is a high possibility to suspect anyone from my own circle if anything happens to you !! What the !! Before going further, I stopped the video & cleared the watched history to prevent the recommendation on my homepage again. Note: I am not offending anyone as I believe it may really work for some people however when I try to understand it gives me doubtful and wonder how does even work in anyone's personal life.