Up to this time Lehi apparently thought he and his family were going to God's promised land alone. But all of this was changed when Lehi received a new revelation.
The last time Lehi's sons were sent to Jerusalem, Laman and Lemuel were very rebellious and reluctant to go, but the idea of going back again to get the beautiful daughters of Ishmael was something else. That was different. There was no reluctance on their part this time.