Alcoholics believe the only way to get through life is to drink. If something is wrong, drinking is the answer. That's alcoholic thinking. When you stop drinking, you will find more clarity and see things differently.
If you are depressed, the last thing you should be doing is drinking. Alcohol is a depressant. When you initially stop drinking, you will likely feel many emotions including depression and anger. Those emotions will ease up as days go by and you can learn healthy ways to deal with emotions.
Yes, friends are nice to have, but for you to be a good friend, you will need to be sober. For now, why not focus on yourself and your recovery?