How do i overcome this?

at the end of last week my friend from work (the one i talk about a lot on here) got fired. this is really devastating for me because he was the only one that'll talk to me and i don't mean just saying hello........he was the only one i felt comfortable telling my problems to. i know where he lives and he said i can come over there anytime but i know he is about to move back to his hometown next month and i really don't want to keep showing up at his house because he will get tired of me... before i met him i was deppressed bec i thought nobody liked me now it's like i'm back to being deprressed. what should i do?