I have similar issues at various times of my life and I know how unwanted it can make me feel. There's probably nothing you can say right now that can help, but this might only be a phase. Try some alone time, maybe, and see if your friends ever come to you. I always would retreat and eventually someone would call me. I've been very alone in my lifetime but fortunately for the most part I enjoy solitude. Plus, I had my cat whom I adored for 21 years. I wish I could be more helpful.