Anonymous, I've been married for nearly 15 years and I have the same issue. In the beginning, when libidos were HIGH, a wink and a nod was all it took to start an evening/day/weekend of bedroom fun. As time went on, my (I assume) clumsy attempts to initiate sex were called out. She wanted/wants more "romance", and we have different ideas of what that is. At this point in our relationship, every time I try backrubs, kissing, touching, she immediately says something to the effect of "you want to have sex, don't you?" and that REALLY puts me off. In addition, after a full week of work, I'm tired; it's easier for me to just let her initiate.
However, this is not a completely dark post: we DO have a good amount of sex and it's always spectacular. I just have to put up with the occasional, "you never initiate sex" complaints.
I'm monitoring this thread and I'm looking for answers.