Feeling numb

Most days I’ll be clingy and happy with life. But recently I haven’t been able to feel any emotions and it really stresses me out honestly. I got out of school the other day and My boyfriend kept asking me why I was acting sort of distant and I honestly had no idea. We were laying in his bed and he tried to cuddle with me and I didn’t have the urge to cuddle back like I usually do, I didn’t really want to kiss or anything. I’ll completely give flat answers to people, only talk to people that talk to me first. My friends keep asking if I’m alright and I honestly don’t know how to explain the feeling I have. It just feels like I’m alone and I feel no compassion or anything for anyone. Anyone else feel this way?