Suggest Remedy For Severe Depression Post Marijuana Withdrawal

I have smoked marijuana for over 15 years and recently made the effort to quit. Tomorrow makes 2 weeks. However I also suffer from depression. I ve had a horrible day today, I have no one to talk to. I feel so sad. I use to be able to go to my grandmother but she died 2 years ago, after which I went into a downward spiral, even quitting my job... I m trying to pick myself back up, but without encouragement, I find it difficult to get through each day. Seems only sleep can take me away from these feelings. I don t know who else to turn to. Please help.