Yesterday I found once again that I still can start off a bit sluggish but should not despair because I get warmed up and get going, and can have an amazing swim.  I thought it would be a chore to do even 2000 yards but then I didn't want to get out of the pool.  I wanted to swim all night.  My wings kicked in and I felt like flying.
The lifeguard commented as I left on my swimming and asked if I'd been a college swimmer-  made my day.