Ali - I can see how frustrating / maddening it must be but you're driving yourself nuts with this!!!
Perhaps its a sign that the tide might be about to change but the thing about tides is that you have no control over them and you def don't have a tide timetable!!!
You've done such a great job carving a life out for yourself...have you the will to carry on with that and sit tight???
You're no idiot from wanting a R with a person you care for deeply and love - the problem comes when thats not being reciprocated - but that does not make you an idiot.
To what extent do you feel that you would be able to "manage" a straightforward friendship with him? What if he came back into your life now and said ok - lets be friends but nothing more?
Best - GFI
Your course comes to an end soonish? What if things are the same then?
Ali - you'll never be able to think yourself into his head! Most successes here come...well you know...come from getting on with life, becoming a rejuvenated person, embracing change and living it etc etc etc