Just tread lightly. Many people told me piecing is very different from BDing. Very. Depending upon your w, being clear honest and open is helpful. No doubt she knows of you need for affection (sex or otherwise) I think you struggle with "I shouldn't have to ask" thinking that we all get from time to time. (I had that same line of thought too many times).
But I look at it like I have no problem expressing my other needs to my wife. None. do you? Do you wait until she's hungry to ask about dinner? Do you sit in a cold house waiting for her to change the temp or close a window? if the TV was too loud would you just keep it that way without asking her about it? Do you go to bed when she's tired?
But like I said it takes a heck of a long time. I felt "stuck" for a couple of years. Honestly, I think some couples probably never get unstuck and decide to stay together for other reasons.
"What is best for my kids is best for me" Amor Fati Link to quotes: https://www.divorcebusting.com/forums/ubbthreads.php?ubb=showflat&Number=2879712