Had a solid 1.5h out back today, it's weird the other day 15mins was a problem. Can only figure it must be flare ups .. Prevent and Recover from a COPD Exacerbation or Flare Up People living with chronic obstructive pulmonary disease (COPD) have compromised lungs. That is why it is important to reduce your exposure to anything that can make your COPD worsen. https://www.lung.org/lung-health-diseases/lung-disease-lookup/copd/living-with-copd/prevent-flare-ups One of the pub employees is leaving for different pastures today, sooooo .. enjoy the rest of your Saturday.