Spirituality of a life from Buddhism

I read a number of books regarding Buddhism. However for me it's a bit hard to identify how to make a life with satisfaction: in other words, I am looking for how to achieve a real happiness of life from myself. As far as I know, leaving is one way to achieve it. As a practice, I start to do *Anapanasathi* Meditation, to concentrate my mind. When mind is in concentration, for one thing, it makes freedom feeling of a life. I need to ask: what is the spirituality of a life? Please explain it in depth.