I'm in a really vulnerable mood or something lately?

It seems like I spend a good 70% of my time thinking about how bad I want to cuddle with someone, okay a male someone. It sucks. I spend so many nights hugging my pillow and crying, and I'm not a hormonal teenager either. I'm 22. All I want is to be in somebody's arms, which isn't an option. I don't think I've even hugged someone in months...I just have a lot of acquaintances, I guess, no one I have any emotional connection with. I don't know why I'm in such a vulnerable mood lately. I didn't used to be like this?