You are the expert on you. You know your body and mind better than anyone else, because you live in them. Track your behavior patterns and note any changes: Are you sleeping more or less than usual? Is your appetite gone? Are you more emotional? Do you feel less interested in daily life or activities? Are you isolating yourself? If you find that there are many changes, having/finding support is always good. If you see a professional, you may want to express concerns. Or express concerns to loved ones you trust if you do not see a therapist. But you are the expert on you. And only you can decide what is the best path to take.