One starts meditation due to past life patterns and inclinations. Then as you keep increasing the effort, it becomes enjoyable. The purpose of meditation is towards self growth and rest of things are side effects.
You have a great need for other people to like and admire you.
You have a great deal of unused capacity, which you have not turned to your advantage.
Disciplined and self-controlled outside, you tend to be worrisome and insecure inside.
You prefer a certain amount of change and variety and become dissatisfied when hemmed in by restrictions and limitations.
You pride yourself as an independent thinker and do not accept others statements without satisfactory proof.
You have a tendency to be critical of yourself.
At times you have serious doubts as to whether you have made the right decision or done the right thing.
At times you are extroverted, sociable, while at other times you are introverted, wary, reserved.
While you have some personality weaknesses, you are generally able to compensate for them.
I think what he's getting at is people often start to 'fix something' from there life. They don't start because it's enjoyable but because they see it as a solution to a problem they have.
This is mainly from personal observations and after reading tons of material. The answers to all personal or self issues are deep within us and that can be bubbled up only through deep meditations. I remember when I was a kid, started reading books on yoga and meditation all by myself even though there was no one in my family doing it. I sometime reflect on why at that age felt the need to do meditation. The only reasoning is due to past life habits and inclination.
I meditated even though sometimes it gave me headaches but now i can easily sit 2-3 hours.
I think that's just his way of saying that things we like to do or don't like to do in this incarnation are informed by events from previous incarnations.