If CF like breathing through a coffee straw, as some sources say? I tried it myself, and god I hope not. I lasted a few minutes and was gasping for air.
I have CF. My lung capacity is around 55% (many have lower, and around 20-30% is when they tend to start talking lung transplant)
I wouldn't use that analogy. It's more like breathing in a deep swimming pool or a very humid sauna. Slight physical exertion (like stairs or hills) can be like most people doing strenuous exercise. Laziness tends to be a way of life :-)
