Dear friends in Christ, The disciples asked Jesus to increase their faith. And that seems to be a reasonable request. It was certainly something that Jesus would be willing and eager to do.
Faith is a fundamental part of our lives.
We all have it, we all use it, and we all need more of it. We get stronger faith the same way we get stronger muscles - through proper nourishment and exercise. Jesus tells them that it is not a question of more or less faith, but how you live with the little faith you have. Start doing things with it. Faith is not really faith until we act upon it.