Yes, she does climax actually. Both beforehand and during LM.
And yes, this has been the same throughout our marriage. For a long time, she was able to blame the fact that our relationship wasn't always great, which is true. It wasn't. I took responsibility for sorting out my issues (baggage I brought into the marriage), and have mostly done so. We even separated for a while, but have since reconciled. The relationship is now better than ever.
We do have lots of physical contact even - hugs, snuggling up on the couch etc. - but it never seems to make the leap from being affectionate to being sexual. It just doesn't seem to click with her how important it is to me, and how desperately I need her to be interested in and anticipating LM.