He Wan's dream is to own a small house of his own, with three in and five out, where he can grow some vegetables and raise a few animals. When he reaches age, he can hire a man from outside to start a family and raise children.
Fine.
To be honest, cultivating immortality has nothing to do with He Wan. Later, when He Wan remembered it, she felt that she should have used all her luck in her life on that day, otherwise she would not have been in such a mess in cultivating immortality.