How does depression effect you?

When I get depressed I shut down and keep to myself. I'm sure it's not the healthiest way to deal with it, but I get moody so I don't want to say anything rude to my friends and family. My friend suggested therapy, so I'm giving it a shot. Seeing the their it helps me unload everything. I do feel a bit better when I leave. So what do you do when your depressed?
How does depression effect you?
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