Welcome back! A few more jokes...

If you're over 40, you might want to take it easy at first,

then do it faster as you become more proficient. It may
be too strenuous for some.
Always consult your doctor before starting any exercise

program!
SCROLL DOWN...
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...NOW SCROLL UP..

That's enough for the first day. Great job.
Now, go have a beer.
Fact: people who smile more live longer!