"Happiness is being on the beam with life - to feel the pull of life."-- Agnes Martin

Doesn't that just say it all?  To feel yourself floating on the river of life--totally going with the flow, not knowing, or caring, what's around the next bend and so immersed in the loveliness of the journey, so caught up in the direction the current is taking you and so in-the-moment that the only thing that matters is the ever-illusive NOW--that, to me, is the essence of happiness.