I do not know English very well, therefore I can’t translate literally. But I tried to convey the meaning. I can add that the Russian sentence was written a little illiterate in the sense of style, so it did not immediately become clear even to me. Resistance to deep anxiety due to your own crises, the collision with mental pain and its overcoming, contributes to your effective work in the process of psychological assistance to another.

peut-être mieux remplacer "пребыванию" par "преодолению чего-либо"? sans contexte ce mot tombe légèrement, à mon humble avis )))