I'm Colleen's friend Jheri. I live mostly in Copenhagen, or as the Danes say, København. The city is wonderful for bicycles even if the weather isn't always the best. It isn't that big and you can take your bike on the commuter train if you want. Gas and cars are very expensive, so bikes are popular here. Especially with younger people like me.
If you visit my town you will see that people are in very good shape. Not that many are fat and many people in their seventies and eighties are still riding their bicycles. I don't have Colleen's amazing body, but my legs and butt are in great shape. I tell people Danish women have the best butts and legs in the world and it is from the walking and biking they do. The guys are pretty good too! Come and visit Denmark if you don't believe me.
There are times when I just ride for the joy of it. Here is one of Jheri's games that you can play too.
Jheri chases colors. I think of a color, like bright yellow, and ride as hard as I can until I see it. 
Then I think of another color like rust orange and turn the bike left or right at the next corner and race to it. You explore new areas and find colors in the most amazing places! The wind is in your face and your hair flies behind you as it tries to keep up. You can sing if you like, Jheri will not complain. After an hour, if you have ridden hard, you are tired but completely happy.
Jheri is not as athletic as Colleen and will never be a sportswoman, but both of us love to move and do things that are athletic. It does not matter if you are an athlete or not. The important thing is to enjoy yourself and feel yourself becoming stronger and better. And outdoors is so much better than inside! I'm writing this from up in my favorite tree right now, but Jheri and her trees is another story for later.
Use your bike rather than a car as much as you can, but remember that you can have fun and be a kid on your bike. Go out and chase after colors and try and outrun your hair and maybe you'll get great legs like mine or Colleen's! But I know you will feel better and get a huge smile.
Jheri out
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