There are times when we get too attached to certain people and it gets hard for us to think about our lives functioning without them. This is when the other person decides to start maintaining a little distance from us so as to help us become stronger and more independent. We might curse them initially, but eventually we will realise that it was for the best.
5. To explore different aspects of life.
Staying in the same place and with the same people can limit one from learning more and, therefore, there will come a time when they would want to get out and explore the world, meet new people and experience different aspects of their lives.