Bobulate: Uncomfortability →
However, the two things must be mingled and varied, solitude and joining a crowd: the one will make us long for people and the other for ourselves, and each will be a remedy for the other; solitude will cure our distaste for a crowd, and a crowd will cure our boredom with solitude.
One must get uncomfortable. If you venture a little, you will evolve a little. If you venture a lot, you may evolve a lot.