What solution is there for depressive people who think a lot of negative stuff and thinks that no one likes them which makes them feel lonely.

Cognitive Behavioral: Therapy addresses those distorted thoughts right at the gitgo.

Psychotherapy.: Depression causes low self-esteem, lack of confidence, pessimistic view of the world,problems with concentration and memory, lack of interest, low energy level, increase sensitivity to real or imagined criticism. Talking to a therapist will help you identify the reasons you think this way and learn how to cope with with it.

You are OK : Remember that you are OK. Find someone you can trust and talk to them. Remember that women make friends, but men have mostly acquaintances.