Doesn't matter if you were the one to initiate the break up or not. It doesn't matter if it was a long time coming or abrupt... This is so true. When you get used to something and suddenly it's not longer there.. That's the hardest part.
He tells me all the time, that aside from having his kids, he wishes we met earlier in life. He so badly regrets most of the time with his ex. So now I make up for that "wasted" time as he calls it... he will never long for anything as long as he has me.