Sacrifice, discipline and prayer are essential. We gain strength through God's word. We receive grace from the sacrament. And when we fumble due to sin - and it's gonna happen - confession puts us back on the field.
Teamwork is the foundation of success. The three universal questions that an individual asks of his coach, player, employee, employer are: Can I trust you? Are you committed to excellence? And, do you care about me?
You always have to prepare for the obstacles that are going to come. Consequently, when they do come, it doesn't affect you mentally near as much as when you're unprepared for them.