Lifting the veil with great apprehension

After lengthy absence, during which much has happened, I have come to an alarming conclusion about Two. He has all the hallmarks of a sociopath, which explains a lot. To say I am shocked is putting it mildly, but I am sure I am right. I do not wish to live my life with someone who has this major personality defect. But what to do? Feeling trapped again. Run down check list of sociopath, he ticks all boxes. Am left wondering how I ever failed to recognise this? He has very successfully tried to make me feel I am to blame for his 'habits'. Am signing off now as need to think.