I appreciate that you reached out with your concern
Suicidal thoughts is an alarming sign. Kindly stay with him. Try to talk and engage him. Show hope and concern
Sometimes feeling low for 2or more than two years happens when a person is going through Dysthymia(a kind of depression)
Next Steps
It's an urgency to show to clinical psychologist to actually diagnose the intensity of depression.
Health Tips
Exercise regularly to
Engage in hobbies or activities you enjoy
Spend time in nature, go for walks
Volunteer for a cause that resonates with you
Connect with loved ones and engage in social activities,
Practice self-care by taking relaxing baths, reading books, listening to music, or practicing mindfulness and meditation.