We also go in phases of who initiates more. I think lately it's been me... but who really keeps track of that? Honestly, I just ask him if we can have sex. And he does the same. We don't dance around it or play any games anymore.
I remember in the beginning feeling very shy to initiate, I don't know out of fear of rejection, or fear of being too "aggressive", or just out of fear of stating my needs. Both of us were that way. But now, I just say "Hey, I need some sex, how are you feeling about that?" LOL Some might say it's not romantic, but I think it is because he's always ready to fulfill my needs - and that's pretty damn romantic in my book!