I dont know how to feel.

Life is okay but at the same time, I feel weird about it. Life isn't amazing or happy but it's also not super bad. Actually, I've been feeling hopeful about life but It seems that every time I'm happy, other people are sad and that affects my mood a lot. When I see someone I like crying, I also feel like crying. But I don't wanna really feel sad all the time now. I feel like some people are a bit tiring to be around. The people themselves arent the problem! I love to be with them but I don't seem to have the energy that I used to have.  I think its just me... yeah. I'm tiring to be around. I think I am a burden and that I'm not worthy of anything but I kinda wanna try not to feel that way. I don't know. Maybe Im going back to old ways. To my old self. But its so boring to be sad all the time. Ive done nothing but rot in bed and cry about everything. Im losing sleep over problems that arent even mine but somehow people just want me to solve it. I go out of my way to solve other peoples problems but i cant do anything about it either. Ill always be a stepping stone for others to reach what they want. Thats okay ig. Im easily happy. When others are happy im happy too. I mean what can I do. Theyl always be smarter, more good-looking, more acceptable compared to me. It fuckign sucks to realize that even if I got sort of better, im still not as good as the others. I dont know what to do. I know that I should focus on my studies but I cant help feel whatever this is that im feeling. I think im sad but should I be??? I mean my friends say its valid but I just can understand it.