Repost from /r/askmrp since it is no that active

I am 31, in a 7 years LTR, which I entered as AFC as you can fucking get, but in the last year much has changed. Still there is one major issue - her initiating sex. I initiate about 80% of the time. She used to reciprocate to about 1/3 of them in the past, and even then not with much excitement, now she reciprocates to almost all of them and with more enthusiasm.

Now maybe it still the AFC talking, it seems normal to me that the man would initiate most of the sex. But what I really feel is frustration, I would imagine that a girlfriend of an alpha would be doing much of the initiating, or he would not keep tabs on who initiates at all.

I feel like "why do I have to always work for it"? or "If I do nothing, just go about my business, would she still find me attractive enough to actually act upon it?" I am very well aware of the fact that at the start of the relationship I was doing everything possible to make her feel comfortable, secure and avoid rocking the boat. Presently I have quite changed those manners, but maybe not enough. One thing I can think of, is that when I make myself less available to her (in the past I used to hover a lot) she later tells me things like "well you looked busy, I though you won't be interested in sex." Sounds like an excuse to me, but I don't know what is the real issue here.