There isn't 1 way to handle a long-distance relationship. If she likes you now, stay who you are! Don't change yourself. If she has some complaints you should maybe consider them and adapt to them. Protecting them from other guys on the other hand would be difficult. Just try to get her 'hooked' on you, try to be her perfect match. If she just isn't 'into' you you should just let it to, it might be terrible advice but if the love isn't from both ends then you might run into trouble. To summarize, Just try to become her perfect match and see how the situtation plays out. Good luck and I wish you the best of luck.