Well, I think what you are going through is typical for many women and men actually. I think what happens is a mental state of complacentcy. He knows that for you to leave, even if it is in the very back of his mind, that it is much harder for you to do so when you are married, when you are just living with someone, even if it has been for 5-8 years there is still that little ingling that "maybe" they won't stick around. Your man knows you are there, and he is content with that, but his contentment has been turned up to complacentcy and that is an awful place to be. Tell him, you need more sex, more time on an intimate level. Spend time together each week just one on one, it doesn't have to cost money just time. Make sure it is not a movie but maybe a walk somewhere or dinner. Time alone is what ignites the sparks, believe me when I tell you. We have 6 kids and 3 at home. If we dont take the time for each other we can go weeks with no sex and you know it causes tension and that ....ugh, you are so annoying attitude. Go make a date with your man....surprise him with a little something sensual....who knows it could make something happen like SEX. Good luck.