There is a lot of commitment in five and a half years! I know you must be feeling some insecurities right now, and I'm going to speak my mind - God intended for a man and a woman to be married before they live together - because he knows how tender your heart is. He knows how important security is, and he has always wanted to make you feel loved and cherished. Now I'm just going to give you a sister hug and say pray about this. Jesus loves you, and your man, and he's ready to help you work things out, but you've got to trust him. Look into your own heart and seek the Lord about your insecurities. He's got just the right balm for you, and he can heal any thing. Don't let your self become bitter, even just a little, because it will bring you down. Trust God.