You can make a girl like you, but if you want to get your girl into stepfamily life you will have to use some persuasion on her. If you are a strong and silent type of guy, this won't be very easy. But it is not impossible. If you want to make your stepdaughter into a real wife one day, it may be the best thing you do as a man. Here are some tips to help you convince your stepdaughter that she should be in a stepfamily..