"Insusceptibility" is a word in ENGLISH

insusceptibility ENGLISH
Definition:

Want of susceptibility, or of capacity to feel or
perceive.

Few words of positivity

Like an ant, I will find my way round any obstacle. Like a child, I will persevere with pinpoint focus.

Chris Murray, The Extremely Successful Salesman's Club

WORD SUGGESTIONS
Laugh your heart out.

Why were ancient Egyptian children confused? Because their daddies were mummies.

insensibility ENGLISH

Want of tenderness or susceptibility of emotion or passion; dullness; stupidity.

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