friction:

[frik-shuh n] Resistance that occurs in the contact between two bodies pressed against each other, which hinders the relative movement

every friction is a crossroads

How do you react to frictions?

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What is your judgment term to deepen the friction or just leave?

How the I react to the frictions according to their life and their experiences, to the pain they are carrying and to the hopes they place in the future

Egoism or kindness, self-referred or empathy?

attrito[Der. del part. pass. attritus del lat. atterere "sfregare"]Forza resistente che si produce nel contatto tra due corpi premuti l’uno contro l’altro, che ne ostacola il movimento relativo.