There is so much of gratitude or vanity in almost every attachment, that it is not safe to leave any to itself. We can all BEGIN freely--a slight preference is natural enough; but there are very few of us who have heart enough to be really in love without encouragement. In nine cases out of ten a women had better show MORE affection than she feels. Bingley likes your sister undoubtedly; but he may never do more than like her, if she does not help him on.