We can set our life goals in higher level. sometimes the things that makes married life can't goes on, possibly stick on things that they were planed together. Including comfort causing the wont , so they don't want to develop themselves, which it is different from the single. We will not hamper the chance to develop ourselves. The important is we are also happy in the solitary life, not different to someone who getting married. And we also try to seek new challenges await.