Cried myself to sleep is that depression?

Basically had enough of life ,find it hard to put 8 hr shift in at supermarket, come off alcohol, marijuana, speed, no motivation, on valium for anxiety/drug withdrawl really like it but try not to have too much its the only thing that makes me feel good. Seeing counsellor but she’s finshing our sessions, really [...] http://bit.ly/pLpLpd