Is it normal that my Mom is always this sick?

I just go home to visit my Dad. They have separate rooms (my Mom has her living room and my Dad has his living room) so I can spend time with my Dad without spending time with my Mom because they don't have much contact with each other.

I've tried explaining this pharmaceutical mess to her but she contends that I don't understand depression v.v

But I feel like less of an asshole now ^^;