Here’s a helpful (and challenging!) perspective on contentment from the Femina blog. The author writes:
So what’s my point in all this? My point is that I think contentment is the art of looking at the present the way you look at the past and the future. We look back at the past, having let all the insignificant annoyances fall away. We imagine the future as a bright and rosy time that will have no annoyances at all.