Read it through once

What Edward had done to forfeit the right of eldest son, might have puzzled many people to find out; and what Robert had done to succeed to it, might have puzzled them still more. It was an arrangement, however, justified in its effects, if not in its cause; for nothing ever appeared in Robert's style of living or of talking to give a suspicion of his regretting the extent of his income, as either leaving his brother too little, or bringing himself too much;--and if Edward might be judged from the ready discharge of his duties in every particular, from an increasing attachment to his wife and his home, and from the regular cheerfulness of his spirits, he might be supposed no less contented with his lot, no less free from every wish of an exchange.