I am 8 months post split with ex husband of 15 years (2.5 months post divorce) and the fact that I had to sit and work out how long it is, speaks volumes to me.
Echoing Psipsina I had never felt pain like it and I (and the people around me) thought that I was never going to feel 'better'. It hurt, boy did it hurt. Rejection, shock and loss are powerful emotions to come to terms with..
I didn't talk much to anyone in RL in the first few days, I had recently started a new job which meant nobody knew me or my personal situation which helped me to remain professional and focused at work (and gave me something to get up for everyday)
I was a firm believer in 'fake it, til you make it' and everyday I got up wore more make up than I ever had before, wore new clothes and accepted every invitation to socialise on offer. It wouldn't suit everyone (or be practical) but for the first time in my adult life I had no responsibilities (grown up family etc).
My support network when I finally began to talk and process were amazing- listened to the same thoughts and letting me cry over and over again! Don't get me wrong I was devastated but I was never going to beg or plead for someone who had made it clear that they no longer wanted me; I got angry but never wasted time expressing it to him. I did write a lot of my thoughts down too in the early days which I then tore up.
Keeping busy helped me in the early days and by the time (3 months in) I finally slowed down enough to think, I was able to process my thoughts in a more rational way. Today I am pretty indifferent. I have moved on both emotionally and physically (new home, old and new circle of friends). I have even been out on a couple of dates but know that the last thing I want at this moment in time is to rush into a relationship so soon. I don't regret my marriage or the time spent with him but I have to confess to be relieved now it is over as I wouldn't want to stay with someone who was halfhearted about being with me. That is never to say I didn't love him, I did, completely and with all my heart.
There was no instant 'I am over him' moment. It was the slow realisation that there was a life out there for me. To be honest I am still not sure what it entails but I know there is one
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You will get there and noone can give you a time span but one day you will wake up and it won't hurt, you won't hate and you will realise that life is good again 