And after one has full training, then he comes home and he gets himself married. That is called gṛhastha, householder life.
Then, after the age of fifty years, he leaves. He gives up the family, not exactly gives up family connection, just tries to remain aloof from the family. So the husband and wife, they, entrusting the whole thing to the grown-up boys, they go out of home and travel in so many holy places and, after traveling, say, for six months, again comes home for, remains for one month, and then again goes away. That is the... That stage is called vānaprastha.