Each person has his or her thoughts: doubts, despair, indifference, diminished sense of the importance of the attainment of divinity, etc. It requires much work in many different ways to overcome these thoughts. The person must surround himself or herself with support – a group, books, a daily routine, and family. It takes a long time and it is all included in the preparation for the reception of the Torah. Eventually the main issue is overcoming the thoughts and the doubts that assail a person.
Courtesy of http://www.youtube.com/watch?v=k1OduoZAUeM