What are depression symptoms? Help!?

I think I have depression.

Can someone tell me some symptoms or answer if the following are symptoms:

Not caring about anything anymore, like family, friends, boyfriend..
Feels like my head it going to explode because it has so much pressure on it.
Crying when my boyfriend leaves my house.
Worrying about everything like.
Thinking the worst of everything.

I have all those feelings. I think it may be depression/anxiety. I feel like this and I don't know why. I start to worry that my boyfriend is the problem. how do I know if he is? I really don't think he is because I know I don't want to lose him or break up with him. someone please help me..

What are depression symptoms? Help!?

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