Only the insecure strive for security.
Flexibility and softness and pliability are associated with life. A tree that is young is flexible. The wind comes along and blows, and it'll blow, and then it'll come back. A tree that's old and hard - as the wind comes along, it'll snap it in half. So I've learned that this is true not just in our bodies, but in the way that we think as well.
The ego is only an illusion, but a very influential one. Letting the ego-illusion become your identity can prevent you from knowing your true self. Ego, the false idea of believing that you are what you have or what you do, is a backwards way of assessing and living life.
Be miserable. Or motivate yourself. Whatever has to be done, it's always your choice.