Tired of Feeling Empty

I haven't cried for a long time, I've been happy for a few months and that's really weird.
I don't know what's wrong with me.This is what everyone wants, happiness.
Am I bored of being happy? or do I just feel empty?
I think that's what's happening. I really feel empty and lonely and I can't seem to find anyone who can fill this void.I just keep on feeling rejected. Maybe I'm just paranoid. Maybe this wasn't really happiness. I think I was just pretending to be happy to forget about how empty my life is.
I don't know when I'll stop envying happy people.I really need something new in my life, bu t I don't know what it is.
I keep on telling people to cheer up when I can't even smile.
When will I start to feel important? I don't think this is gonna happen soon.
I think I know what I need, I need to feel loved. This is what everyone needs, but I can't find anyone who can give me this feeling.
I hope this feeling of emptiness won't last long. I guess this is just one of my girly moments.