why I miss him so bad?

you talking about a cat or a dude? if it's a cat, i understand. if it's a dude, you should get a cat!

Humans are emotional beings, and are in habit of living in couples from 30 million years.

Take care..

He's in another country, he left me, but until now i cant accept the fact, its really hard! he is always pooping on my head! I dont know what to do, im loosing energy , im losing hope.

Did you get played by someone in person or online?

Why did he leave?

Where is he now?

Where did he go?

someone die??

Get a new one

You are experiencing what is known as "Cold Turkey" in love, as you got addicted / hooked similar to drug addicts.

What you should do now is find another drug as replacement OR go for rehabilitation.

Another option is to find him and slowly withdraw from him ..

Just a suggestion. Go out. Have a bottle of wine. Get laid. Life goes on

Less information to answer this