It happens so often - I say to myself
I'm just too tired to go to the gym.
But then I think - it's good for my health
I ought to go just to keep slim.
So I make the effort and after the session
whatever hormones it is kick in
and I'm pleased that I fulfilled the mission
with aching but envigoured limbs.
It doesn't matter it's not a full hour.
What's exercised most is weak willpower.