Throw (one's) bonnet over the windmill phrase
To behave or do something in a crazed, reckless or unconventional manner
When I was young, I used to throw my bonnet over the windmill by trying to buck social norms.
Those motorists are moving at breakneck speed. They are throwing their bonnet over the windmill.
When you experience extreme and undesirable situations, it is probably essential to take extreme actions
A desire to do something, which is random, sudden and unaccountable
people often do irrational or foolish things when they are in love.
Stupid or crazy
The verb "throw" must be conjugated according to its tense.
As a challenge, Don Quixote tosses his hat over a windmill he mistook for a giant in the novel Don Quixote.
To keep optimistic or have hope that something positive will occur and simultaneously prepare for a negative outcome
All I can do is hoping for the best and preparing for the worst.