PS - Since you are so analytical, I believe you might benefit from Cognitive Behavioral Therapy (CBT) if you haven't done so already. It will help you examine your thoughts and beliefs and evaluate them logically to see if they are true and/or valid.

Also, if your very low self-esteem is rooted in feelings you had as a child, and messages you received from parents or others that you were not lovable or valuable as a person, Psychodynamic Therapy can help you to look at those damaging experiences that still affect you so much and interfere with your happiness and self of self-worth today. With your t, you can process those original painful feelings of valuelessness. And then you can work on gaining a more reasonable view of yourself, of what value is, and how you can finally feel that you are good and worthwhile and valueable just as you are.