I'm Not Sure If I'm On The Right Track, But

I'm not sure if I'm on the right track, but I need advice about my 22 yr old son. He seems to have lost interest in everything around him. He doesn't want to work and says he doesn't care (if he can't pay for his car) He has been under financial stress for most of this year and is quick to anger. I don't know if these are signs of depression.