Thus we see that there are many causes which impair the happiness of friends.
And he went about it with a zest that knew no flagging, with a relish that nothing could impair.
He can do the same with his real estate but can not impair her dower.
He can do this with his property, but can not impair her dower rights.
He may do this but can not impair her dower right to one-third.