I find out someone I used to be close to suddenly stops being close to me, I feel so indifferent about it

Well, this kind of attitude more or less everybody has and I think it's just a careless attitude. Yes, your example or the way you described it is intense and we should feel empathy and a little bit kind to others but because of circumstances, sometimes we become careless and thoughtless...

I hardly read my books

😂, hahaha I guess we all were more or less disliked books...

Well, it's very important to stay strong especially emotionally, and love your family. I guess we all faced difficulties especially when we were teenagers to deal with family but in the end, we all love our family...

Thank you for such thoughtful insights and writing... Good luck...