A good image in English can lead to lots of useful ideas and
phrases. Disappointment and loss of
motivation can all be expressed with the image of losing air.
deflated
took the wind out of me
took the wind out of my sails
examples
When I heard the bad news, I was thoroughly deflated.
I was feeling good until I got my exam results. The bad results really took the wind out of
my sails.
My boss's criticisms took the wind out of me.