Read it through once

Since she had been the means of hastening his marriage old Catherine had shown to Archer the cordiality which a service rendered excites toward the person served. She was persuaded that irrepressible passion was the cause of his impatience; and being an ardent admirer of impulsiveness (when it did not lead to the spending of money) she always received him with a genial twinkle of complicity and a play of allusion to which May seemed fortunately impervious.