Sun Wukong, the monkey was met on the Journey to the West.
Zhu Bajie, the pigsy was also met on the Journey to the West.
Sha Monk was also met on the Journey to the West,
The White Horse was also met on the Journey to the West.
This is because Tang Xuan Zang, the monk made a goal in collecting the sutras back home.
Therefore, if you want to meet someone who is going the same journey as you, you must first be on the Journey.
When you are working towards your goal, then only your helpers would appear.
When you are fighting towards your goal, then only your mentor would appear.
Often, we'll be alone when we made the decision to start the journey, however, as you work towards your goal, your team members would appear!