Biblical Answer

Based on the provided information, David was indeed experiencing a difficult time in his life. The psalm suggests that he was facing opposition and accusations from others. The historical books also associate David with times of betrayal and oppression, such as when he was driven from Saul's court and when his own son Absalom rebelled against him. David's sons were also involved in sin and rebellion, which may have contributed to the turmoil in his life.

The psalm itself is a cry for help and a plea for God to arise and intervene in David's situation. David acknowledges his own shortcomings and failures, and he is aware of his need for God's intervention and guidance. He is not excusing his own moral impotence, but rather pleading for God's spirit to re-create him. This suggests that David is struggling with feelings of guilt, shame, and helplessness, which are all common symptoms of depression.

While the information does not provide a definitive diagnosis of David's mental state, it does suggest that he was experiencing a difficult and trying time in his life. The psalm's language and imagery convey a sense of desperation and despair, which are consistent with the symptoms of depression. However, it is also possible that David's struggles were primarily spiritual and emotional, rather than purely psychological. Regardless, the psalm provides a powerful example of how God can intervene in our lives and bring us out of darkness and into the light. As David himself says, "I will go to him, but he will not return to me" (2 Samuel 12:23), suggesting that even in the midst of great struggle and loss, we can find hope and comfort in God's presence.