Do not think that thou shalt change him, daughter.  No woman can ever change a man to become what she doth wish him to be.  Marriage will change him, aye - not all at once, not in the moment the priest pronounces thee wed, not in a month, not even a year, but gradually, little by little, he will change - as wilt thou thyself.  Thou canst but hope that he will change more closely to that which thou dost wish him to be.