When we love someone our love becomes demonstrable or real only through our exertion - through the fact that for that someone (or for ourself) we take an extra step or walk an extra mile. Love is not effortless. To the contrary, love is effortful.
M. Scott Peck (2002). “The Road Less Traveled, 25th Anniversary Edition: A New Psychology of Love, Traditional Values, and Spiritual Growth”, p.83, Simon and Schuster