[Things could have been really different if he hadn't been compelled to forget her, if she hadn't been stashed in a coffin for ninety years. But neither one of them were given that chance or choice -- Klaus doesn't allow that sort of freedom in people's lives.
At his words, she's not entirely sure why she kept it pain-free, she certainly won't be giving the same free pass to Damon, but she tries not give it too much thought or weight.]