Final answer:
Cecil Whitver's worsening depression symptoms are likely influenced by his recent significant loss. It's important for him to consult a mental health professional to discuss potential adjustments in his treatment. Support groups and personal self-care can also play valuable roles in dealing with grief and depression.
Step-by-step explanation:
Cecil Whitver, with a history of depression diagnosed 15 years ago, has experienced a worsening of his symptoms following the death of a significant other. The grieving process can exacerbate underlying mental health conditions, and significant losses often require adjustments in treatment plans. It's crucial for someone in Cecil’s situation to seek the support of a mental health professional who can provide therapy and possibly adjust medications to help manage the increased symptoms. Maintaining social connections, engaging in self-care, and sometimes joining support groups are also beneficial strategies during such challenging times.