My father picked fear in his late years. He was resentful, got angry easily because he had lots of fear within. My mother on the other hand picked love because she knew choosing love was much better than choosing fear. She was always smiling whatever happened. She was open minded.
Both choosing love and choosing fear are habitual. It is important to know one's own habit. If you often hear yourself complaining and whining, you may want to change it because it is probably your habitual way of seeing things.
A good way to build a life of love is to train yourself feeling grateful as much as possible. Fear cannot get in while you are grateful because gratefulness is made of love. Create a new habit of being grateful. Create a new habit of being generous. Create a new habit of forgiveness. Those habits put you in love and eventually give you bliss.