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Don’t complain for 30 days - FAIL
Talk to a stranger every day - FAIL
Experiment wearing a new outfit every day - FAIL
Become a vegan for a month - FAIL

:D

Hahahaha that made me laugh!

What about don't lie for 30 days?

I just don't lie. That's an easy one. It's the best way to build respect and trust. You also learn to be delicately honest with people too :)