Provide the theme summaries for the following conversation: 

Elizabeth: Are you feeling any better?
Matthew: Yes, thank you! What would I do without you...? :)
Elizabeth: I'm glad to hear that. :)
Elizabeth: Matt, have you considered therapy?
Matthew: Mhm, I have.
Matthew: I've already made an appointment with a therapist, actually.
Elizabeth: Sorry, I didn't want to be insensitive, but I just worry about you.
Elizabeth: You've been really depressed recently and I'm just afraid that you won't able to cope with everything on your own.
Matthew: I know, it's just not the easiest subject to talk about.

Summary: 
Matthew has been depressed recently. He will meet with a therapist.