Yes, the creditor can sue regardless of the mental state of the account holder. Whether the account holder was legally competent at the time the agreement was made is a matter for the court to decide. If the consumer was not coererced or deceived into opening the account in a way that could be deemed illegal, there would not be grounds for a countersuit.
Depression
Yes.
He suffered from depression.
Yes he did. Especially in his younger days (teens and twenties) he suffered major depression.
Greta Garbo ?
He suffered from depression.
Sure, have you?
He suffered from clinical depression
Sting has stated that he has suffered from severe depression. The latest information that I could find makes no mention of manic episodes, just depression. He has said that while writing his memoirs, he suffered from depression for two years before coming out of it.
The problem that Lincoln suffered from his entire life was clinical depression. He was also said to be color blind.
I
He suffered from alcoholism and depression.